Basic Math Examples

$\frac{16.5 + 3 t}{3} = \frac{0.9 - t}{- 5}$

Step 1

Simplify both sides.

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Step 1.1

Factor $1.5$ out of $16.5 + 3 t$ .

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Step 1.1.1

Factor $1.5$ out of $16.5$ .

$\frac{1.5 (11) + 3 t}{3} = \frac{0.9 - t}{- 5}$

Step 1.1.2

Factor $1.5$ out of $3 t$ .

$\frac{1.5 (11) + 1.5 (2 t)}{3} = \frac{0.9 - t}{- 5}$

Step 1.1.3

Factor $1.5$ out of $1.5 (11) + 1.5 (2 t)$ .

$\frac{1.5 (11 + 2 t)}{3} = \frac{0.9 - t}{- 5}$

Step 1.2

Factor $3$ out of $3$ .

$\frac{1.5 (11 + 2 t)}{3 (1)} = \frac{0.9 - t}{- 5}$

Step 1.3

Separate fractions.

$\frac{1.5}{3} \cdot \frac{11 + 2 t}{1} = \frac{0.9 - t}{- 5}$

Step 1.4

Divide $1.5$ by $3$ .

$0.5 \frac{11 + 2 t}{1} = \frac{0.9 - t}{- 5}$

Step 1.5

Cancel the common factor of $0.5$ .

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Step 1.5.1

Factor $0.5$ out of $1$ .

$0.5 \frac{11 + 2 t}{0.5 \cdot 2} = \frac{0.9 - t}{- 5}$

Step 1.5.2

Cancel the common factor.

$0.5 \frac{11 + 2 t}{0.5 \cdot 2} = \frac{0.9 - t}{- 5}$

Step 1.5.3

Rewrite the expression.

$\frac{11 + 2 t}{2} = \frac{0.9 - t}{- 5}$

Step 1.6

Factor $0.1$ out of $0.9 - t$ .

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Step 1.6.1

Factor $0.1$ out of $0.9$ .

$\frac{11 + 2 t}{2} = \frac{0.1 (9) - t}{- 5}$

Step 1.6.2

Factor $0.1$ out of $- t$ .

$\frac{11 + 2 t}{2} = \frac{0.1 (9) + 0.1 (- 10 t)}{- 5}$

Step 1.6.3

Factor $0.1$ out of $0.1 (9) + 0.1 (- 10 t)$ .

$\frac{11 + 2 t}{2} = \frac{0.1 (9 - 10 t)}{- 5}$

Step 1.7

Move the negative in front of the fraction.

$\frac{11 + 2 t}{2} = - \frac{0.1 (9 - 10 t)}{5}$

Step 1.8

Factor $5$ out of $5$ .

$\frac{11 + 2 t}{2} = - \frac{0.1 (9 - 10 t)}{5 (1)}$

Step 1.9

Separate fractions.

$\frac{11 + 2 t}{2} = - (\frac{0.1}{5} \cdot \frac{9 - 10 t}{1})$

Step 1.10

Divide $0.1$ by $5$ .

$\frac{11 + 2 t}{2} = - (0.02 \frac{9 - 10 t}{1})$

Step 1.11

Cancel the common factor of $0.02$ .

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Step 1.11.1

Factor $0.02$ out of $1$ .

$\frac{11 + 2 t}{2} = - (0.02 \frac{9 - 10 t}{0.02 \cdot 50})$

Step 1.11.2

Cancel the common factor.

$\frac{11 + 2 t}{2} = - (0.02 \frac{9 - 10 t}{0.02 \cdot 50})$

Step 1.11.3

Rewrite the expression.

$\frac{11 + 2 t}{2} = - \frac{9 - 10 t}{50}$

Step 2

Multiply the numerator of the first fraction by the denominator of the second fraction. Set this equal to the product of the denominator of the first fraction and the numerator of the second fraction.

$(11 + 2 t) \cdot 50 = 2 (- (9 - 10 t))$

Step 3

Solve the equation for $t$ .

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Step 3.1

Simplify $(11 + 2 t) \cdot 50$ .

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Step 3.1.1

Rewrite.

$0 + 0 + (11 + 2 t) \cdot 50 = 2 (- (9 - 10 t))$

Step 3.1.2

Simplify by adding zeros.

$(11 + 2 t) \cdot 50 = 2 (- (9 - 10 t))$

Step 3.1.3

Apply the distributive property.

$11 \cdot 50 + 2 t \cdot 50 = 2 (- (9 - 10 t))$

Step 3.1.4

Multiply.

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Step 3.1.4.1

Multiply $11$ by $50$ .

$550 + 2 t \cdot 50 = 2 (- (9 - 10 t))$

Step 3.1.4.2

Multiply $50$ by $2$ .

$550 + 100 t = 2 (- (9 - 10 t))$

Step 3.2

Simplify $2 (- (9 - 10 t))$ .

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Step 3.2.1

Apply the distributive property.

$550 + 100 t = 2 (- 1 \cdot 9 - (- 10 t))$

Step 3.2.2

Multiply.

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Step 3.2.2.1

Multiply $- 1$ by $9$ .

$550 + 100 t = 2 (- 9 - (- 10 t))$

Step 3.2.2.2

Multiply $- 10$ by $- 1$ .

$550 + 100 t = 2 (- 9 + 10 t)$

Step 3.2.3

Apply the distributive property.

$550 + 100 t = 2 \cdot - 9 + 2 (10 t)$

Step 3.2.4

Multiply.

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Step 3.2.4.1

Multiply $2$ by $- 9$ .

$550 + 100 t = - 18 + 2 (10 t)$

Step 3.2.4.2

Multiply $10$ by $2$ .

$550 + 100 t = - 18 + 20 t$

Step 3.3

Move all terms containing $t$ to the left side of the equation.

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Step 3.3.1

Subtract $20 t$ from both sides of the equation.

$550 + 100 t - 20 t = - 18$

Step 3.3.2

Subtract $20 t$ from $100 t$ .

$550 + 80 t = - 18$

Step 3.4

Move all terms not containing $t$ to the right side of the equation.

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Step 3.4.1

Subtract $550$ from both sides of the equation.

$80 t = - 18 - 550$

Step 3.4.2

Subtract $550$ from $- 18$ .

$80 t = - 568$

Step 3.5

Divide each term in $80 t = - 568$ by $80$ and simplify.

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Step 3.5.1

Divide each term in $80 t = - 568$ by $80$ .

$\frac{80 t}{80} = \frac{- 568}{80}$

Step 3.5.2

Simplify the left side.

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Step 3.5.2.1

Cancel the common factor of $80$ .

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Step 3.5.2.1.1

Cancel the common factor.

$\frac{80 t}{80} = \frac{- 568}{80}$

Step 3.5.2.1.2

Divide $t$ by $1$ .

$t = \frac{- 568}{80}$

Step 3.5.3

Simplify the right side.

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Step 3.5.3.1

Cancel the common factor of $- 568$ and $80$ .

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Step 3.5.3.1.1

Factor $8$ out of $- 568$ .

$t = \frac{8 (- 71)}{80}$

Step 3.5.3.1.2

Cancel the common factors.

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Step 3.5.3.1.2.1

Factor $8$ out of $80$ .

$t = \frac{8 \cdot - 71}{8 \cdot 10}$

Step 3.5.3.1.2.2

Cancel the common factor.

$t = \frac{8 \cdot - 71}{8 \cdot 10}$

Step 3.5.3.1.2.3

Rewrite the expression.

$t = \frac{- 71}{10}$

Step 3.5.3.2

Move the negative in front of the fraction.

$t = - \frac{71}{10}$

Step 4

The result can be shown in multiple forms.

Exact Form:

$t = - \frac{71}{10}$

Decimal Form:

$t = - 7.1$

Mixed Number Form:

$t = - 7 \frac{1}{10}$