Basic Math Examples

- n + 4 = 12

$- n + 4 = 12$

Step 1

Move all terms not containing

$n$ to the right side of the equation.

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Step 1.1

Subtract

$4$ from both sides of the equation.

$- n = 12 - 4$

Step 1.2

Subtract

$4$ from

$12$ .

$- n = 8$

Step 2

Divide each term in

$- n = 8$ by

$- 1$ and simplify.

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Step 2.1

Divide each term in

$- n = 8$ by

$- 1$ .

$\frac{- n}{- 1} = \frac{8}{- 1}$

Step 2.2

Simplify the left side.

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Step 2.2.1

Dividing two negative values results in a positive value.

$\frac{n}{1} = \frac{8}{- 1}$

Step 2.2.2

Divide

$n$ by

$1$ .

$n = \frac{8}{- 1}$

Step 2.3

Simplify the right side.

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Step 2.3.1

Divide

$8$ by

$- 1$ .

$n = - 8$

$- n + 4 = 12$

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