Finite Math Examples

$- 2 - 6 - 18 - 54 - n = 9$

Step 1

Simplify $- 2 - 6 - 18 - 54 - n$ .

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Step 1.1

Subtract $6$ from $- 2$ .

$- 8 - 18 - 54 - n = 9$

Step 1.2

Subtract $18$ from $- 8$ .

$- 26 - 54 - n = 9$

Step 1.3

Subtract $54$ from $- 26$ .

$- 80 - n = 9$

Step 2

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

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Step 2.1

Add $80$ to both sides of the equation.

$- n = 9 + 80$

Step 2.2

Add $9$ and $80$ .

$- n = 89$

Step 3

Divide each term in $- n = 89$ by $- 1$ and simplify.

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Step 3.1

Divide each term in $- n = 89$ by $- 1$ .

$\frac{- n}{- 1} = \frac{89}{- 1}$

Step 3.2

Simplify the left side.

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Step 3.2.1

Dividing two negative values results in a positive value.

$\frac{n}{1} = \frac{89}{- 1}$

Step 3.2.2

Divide $n$ by $1$ .

$n = \frac{89}{- 1}$

Step 3.3

Simplify the right side.

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Step 3.3.1

Divide $89$ by $- 1$ .

$n = - 89$

Step 4