Calculus Examples

\ln ((90000 {(1 + 0.0158)}^{x}) - \frac{2334.6 ({(1 + 0.0158)}^{x} - 1)}{0.0158}) = \ln ((90000 - 90000 \cdot 0.85) \cdot {(1 - 0.008165)}^{x - 12})

$\ln ((90000 {(1 + 0.0158)}^{x}) - \frac{2334.6 ({(1 + 0.0158)}^{x} - 1)}{0.0158}) = \ln ((90000 - 90000 \cdot 0.85) \cdot {(1 - 0.008165)}^{x - 12})$

Step 1

Simplify

\ln ((90000 {(1 + 0.0158)}^{x}) - \frac{2334.6 ({(1 + 0.0158)}^{x} - 1)}{0.0158})

$\ln ((90000 {(1 + 0.0158)}^{x}) - \frac{2334.6 ({(1 + 0.0158)}^{x} - 1)}{0.0158})$ .

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Step 1.1

Simplify each term.

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Step 1.1.1

Add

1

$1$ and

0.0158

$0.0158$ .

\ln (90000 \cdot {1.0158}^{x} - \frac{2334.6 ({(1 + 0.0158)}^{x} - 1)}{0.0158}) = \ln ((90000 - 90000 \cdot 0.85) \cdot {(1 - 0.008165)}^{x - 12})

$\ln (90000 \cdot {1.0158}^{x} - \frac{2334.6 ({(1 + 0.0158)}^{x} - 1)}{0.0158}) = \ln ((90000 - 90000 \cdot 0.85) \cdot {(1 - 0.008165)}^{x - 12})$

Step 1.1.2

Add

1

$1$ and

0.0158

$0.0158$ .

\ln (90000 \cdot {1.0158}^{x} - \frac{2334.6 ({1.0158}^{x} - 1)}{0.0158}) = \ln ((90000 - 90000 \cdot 0.85) \cdot {(1 - 0.008165)}^{x - 12})

$\ln (90000 \cdot {1.0158}^{x} - \frac{2334.6 ({1.0158}^{x} - 1)}{0.0158}) = \ln ((90000 - 90000 \cdot 0.85) \cdot {(1 - 0.008165)}^{x - 12})$

Step 1.1.3

Factor

0.0158

$0.0158$ out of

0.0158

$0.0158$ .

\ln (90000 \cdot {1.0158}^{x} - \frac{2334.6 ({1.0158}^{x} - 1)}{0.0158 (1)}) = \ln ((90000 - 90000 \cdot 0.85) \cdot {(1 - 0.008165)}^{x - 12})

$\ln (90000 \cdot {1.0158}^{x} - \frac{2334.6 ({1.0158}^{x} - 1)}{0.0158 (1)}) = \ln ((90000 - 90000 \cdot 0.85) \cdot {(1 - 0.008165)}^{x - 12})$

Step 1.1.4

Separate fractions.

\ln (90000 \cdot {1.0158}^{x} - (\frac{2334.6}{0.0158} \cdot \frac{{1.0158}^{x} - 1}{1})) = \ln ((90000 - 90000 \cdot 0.85) \cdot {(1 - 0.008165)}^{x - 12})

$\ln (90000 \cdot {1.0158}^{x} - (\frac{2334.6}{0.0158} \cdot \frac{{1.0158}^{x} - 1}{1})) = \ln ((90000 - 90000 \cdot 0.85) \cdot {(1 - 0.008165)}^{x - 12})$

Step 1.1.5

Divide

2334.6

$2334.6$ by

0.0158

$0.0158$ .

\ln (90000 \cdot {1.0158}^{x} - (147759.49367088 \frac{{1.0158}^{x} - 1}{1})) = \ln ((90000 - 90000 \cdot 0.85) \cdot {(1 - 0.008165)}^{x - 12})

$\ln (90000 \cdot {1.0158}^{x} - (147759.49367088 \frac{{1.0158}^{x} - 1}{1})) = \ln ((90000 - 90000 \cdot 0.85) \cdot {(1 - 0.008165)}^{x - 12})$

Step 1.1.6

Divide

{1.0158}^{x} - 1

${1.0158}^{x} - 1$ by

1

$1$ .

\ln (90000 \cdot {1.0158}^{x} - (147759.49367088 ({1.0158}^{x} - 1))) = \ln ((90000 - 90000 \cdot 0.85) \cdot {(1 - 0.008165)}^{x - 12})

$\ln (90000 \cdot {1.0158}^{x} - (147759.49367088 ({1.0158}^{x} - 1))) = \ln ((90000 - 90000 \cdot 0.85) \cdot {(1 - 0.008165)}^{x - 12})$

Step 1.1.7

Apply the distributive property.

\ln (90000 \cdot {1.0158}^{x} - (147759.49367088 \cdot {1.0158}^{x} + 147759.49367088 \cdot - 1)) = \ln ((90000 - 90000 \cdot 0.85) \cdot {(1 - 0.008165)}^{x - 12})

$\ln (90000 \cdot {1.0158}^{x} - (147759.49367088 \cdot {1.0158}^{x} + 147759.49367088 \cdot - 1)) = \ln ((90000 - 90000 \cdot 0.85) \cdot {(1 - 0.008165)}^{x - 12})$

Step 1.1.8

Multiply

147759.49367088

$147759.49367088$ by

- 1

$- 1$ .

\ln (90000 \cdot {1.0158}^{x} - (147759.49367088 \cdot {1.0158}^{x} - 147759.49367088)) = \ln ((90000 - 90000 \cdot 0.85) \cdot {(1 - 0.008165)}^{x - 12})

$\ln (90000 \cdot {1.0158}^{x} - (147759.49367088 \cdot {1.0158}^{x} - 147759.49367088)) = \ln ((90000 - 90000 \cdot 0.85) \cdot {(1 - 0.008165)}^{x - 12})$

Step 1.1.9

Apply the distributive property.

\ln (90000 \cdot {1.0158}^{x} - (147759.49367088 \cdot {1.0158}^{x}) - - 147759.49367088) = \ln ((90000 - 90000 \cdot 0.85) \cdot {(1 - 0.008165)}^{x - 12})

$\ln (90000 \cdot {1.0158}^{x} - (147759.49367088 \cdot {1.0158}^{x}) - - 147759.49367088) = \ln ((90000 - 90000 \cdot 0.85) \cdot {(1 - 0.008165)}^{x - 12})$

Step 1.1.10

Multiply

147759.49367088

$147759.49367088$ by

- 1

$- 1$ .

\ln (90000 \cdot {1.0158}^{x} - 147759.49367088 \cdot {1.0158}^{x} - - 147759.49367088) = \ln ((90000 - 90000 \cdot 0.85) \cdot {(1 - 0.008165)}^{x - 12})

$\ln (90000 \cdot {1.0158}^{x} - 147759.49367088 \cdot {1.0158}^{x} - - 147759.49367088) = \ln ((90000 - 90000 \cdot 0.85) \cdot {(1 - 0.008165)}^{x - 12})$

Step 1.1.11

Multiply

- 1

$- 1$ by

- 147759.49367088

$- 147759.49367088$ .

\ln (90000 \cdot {1.0158}^{x} - 147759.49367088 \cdot {1.0158}^{x} + 147759.49367088) = \ln ((90000 - 90000 \cdot 0.85) \cdot {(1 - 0.008165)}^{x - 12})

$\ln (90000 \cdot {1.0158}^{x} - 147759.49367088 \cdot {1.0158}^{x} + 147759.49367088) = \ln ((90000 - 90000 \cdot 0.85) \cdot {(1 - 0.008165)}^{x - 12})$

\ln (90000 \cdot {1.0158}^{x} - 147759.49367088 \cdot {1.0158}^{x} + 147759.49367088) = \ln ((90000 - 90000 \cdot 0.85) \cdot {(1 - 0.008165)}^{x - 12})

$\ln (90000 \cdot {1.0158}^{x} - 147759.49367088 \cdot {1.0158}^{x} + 147759.49367088) = \ln ((90000 - 90000 \cdot 0.85) \cdot {(1 - 0.008165)}^{x - 12})$

Step 1.2

Subtract

147759.49367088 \cdot {1.0158}^{x}

$147759.49367088 \cdot {1.0158}^{x}$ from

90000 \cdot {1.0158}^{x}

$90000 \cdot {1.0158}^{x}$ .

\ln (- 57759.49367088 \cdot {1.0158}^{x} + 147759.49367088) = \ln ((90000 - 90000 \cdot 0.85) \cdot {(1 - 0.008165)}^{x - 12})

$\ln (- 57759.49367088 \cdot {1.0158}^{x} + 147759.49367088) = \ln ((90000 - 90000 \cdot 0.85) \cdot {(1 - 0.008165)}^{x - 12})$

\ln (- 57759.49367088 \cdot {1.0158}^{x} + 147759.49367088) = \ln ((90000 - 90000 \cdot 0.85) \cdot {(1 - 0.008165)}^{x - 12})

$\ln (- 57759.49367088 \cdot {1.0158}^{x} + 147759.49367088) = \ln ((90000 - 90000 \cdot 0.85) \cdot {(1 - 0.008165)}^{x - 12})$

Step 2

Simplify

\ln ((90000 - 90000 \cdot 0.85) \cdot {(1 - 0.008165)}^{x - 12})

$\ln ((90000 - 90000 \cdot 0.85) \cdot {(1 - 0.008165)}^{x - 12})$ .

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Step 2.1

Multiply

- 90000

$- 90000$ by

0.85

$0.85$ .

\ln (- 57759.49367088 \cdot {1.0158}^{x} + 147759.49367088) = \ln ((90000 - 76500) \cdot {(1 - 0.008165)}^{x - 12})

$\ln (- 57759.49367088 \cdot {1.0158}^{x} + 147759.49367088) = \ln ((90000 - 76500) \cdot {(1 - 0.008165)}^{x - 12})$

Step 2.2

Subtract

76500

$76500$ from

90000

$90000$ .

\ln (- 57759.49367088 \cdot {1.0158}^{x} + 147759.49367088) = \ln (13500 \cdot {(1 - 0.008165)}^{x - 12})

$\ln (- 57759.49367088 \cdot {1.0158}^{x} + 147759.49367088) = \ln (13500 \cdot {(1 - 0.008165)}^{x - 12})$

Step 2.3

Subtract

0.008165

$0.008165$ from

1

$1$ .

\ln (- 57759.49367088 \cdot {1.0158}^{x} + 147759.49367088) = \ln (13500 \cdot {0.991835}^{x - 12})

$\ln (- 57759.49367088 \cdot {1.0158}^{x} + 147759.49367088) = \ln (13500 \cdot {0.991835}^{x - 12})$

\ln (- 57759.49367088 \cdot {1.0158}^{x} + 147759.49367088) = \ln (13500 \cdot {0.991835}^{x - 12})

$\ln (- 57759.49367088 \cdot {1.0158}^{x} + 147759.49367088) = \ln (13500 \cdot {0.991835}^{x - 12})$

Step 3

Graph each side of the equation. The solution is the x-value of the point of intersection.

No solution