Algebra Examples

9 m - 4 = - 18 + 2 m

$9 m - 4 = - 18 + 2 m$

Step 1

Move all terms containing

m

$m$ to the left side of the equation.

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Step 1.1

Subtract

2 m

$2 m$ from both sides of the equation.

9 m - 4 - 2 m = - 18

$9 m - 4 - 2 m = - 18$

Step 1.2

Subtract

2 m

$2 m$ from

9 m

$9 m$ .

7 m - 4 = - 18

$7 m - 4 = - 18$

7 m - 4 = - 18

$7 m - 4 = - 18$

Step 2

Move all terms not containing

m

$m$ to the right side of the equation.

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Step 2.1

Add

4

$4$ to both sides of the equation.

7 m = - 18 + 4

$7 m = - 18 + 4$

Step 2.2

Add

- 18

$- 18$ and

4

$4$ .

7 m = - 14

$7 m = - 14$

7 m = - 14

$7 m = - 14$

Step 3

Divide each term in

7 m = - 14

$7 m = - 14$ by

7

$7$ and simplify.

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Step 3.1

Divide each term in

7 m = - 14

$7 m = - 14$ by

7

$7$ .

\frac{7 m}{7} = \frac{- 14}{7}

$\frac{7 m}{7} = \frac{- 14}{7}$

Step 3.2

Simplify the left side.

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Step 3.2.1

Cancel the common factor of

7

$7$ .

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Step 3.2.1.1

Cancel the common factor.

$\frac{7 m}{7} = \frac{- 14}{7}$

Step 3.2.1.2

Divide

$m$ by

$1$ .

$m = \frac{- 14}{7}$

$m = \frac{- 14}{7}$

$m = \frac{- 14}{7}$

Step 3.3

Simplify the right side.

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Step 3.3.1

Divide

$- 14$ by

$7$ .

$m = - 2$

$m = - 2$

$m = - 2$

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