Basic Math Examples

$3 (n - 7) = - 30$

Step 1

Divide each term in

$3 (n - 7) = - 30$ by

$3$ and simplify.

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Step 1.1

Divide each term in

$3 (n - 7) = - 30$ by

$3$ .

$\frac{3 (n - 7)}{3} = \frac{- 30}{3}$

Step 1.2

Simplify the left side.

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Step 1.2.1

Cancel the common factor of

$3$ .

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Step 1.2.1.1

Cancel the common factor.

$\frac{3 (n - 7)}{3} = \frac{- 30}{3}$

Step 1.2.1.2

Divide

$n - 7$ by

$1$ .

$n - 7 = \frac{- 30}{3}$

$n - 7 = \frac{- 30}{3}$

$n - 7 = \frac{- 30}{3}$

Step 1.3

Simplify the right side.

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Step 1.3.1

Divide

$- 30$ by

$3$ .

$n - 7 = - 10$

$n - 7 = - 10$

$n - 7 = - 10$

Step 2

Move all terms not containing

$n$ to the right side of the equation.

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Step 2.1

Add

$7$ to both sides of the equation.

$n = - 10 + 7$

Step 2.2

Add

$- 10$ and

$7$ .

$n = - 3$

$n = - 3$

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$