Pre-Algebra Examples

$3 m + 4 = 30$

Step 1

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

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Step 1.1

Subtract $4$ from both sides of the equation.

$3 m = 30 - 4$

Step 1.2

Subtract $4$ from $30$ .

$3 m = 26$

Step 2

Divide each term in $3 m = 26$ by $3$ and simplify.

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Step 2.1

Divide each term in $3 m = 26$ by $3$ .

$\frac{3 m}{3} = \frac{26}{3}$

Step 2.2

Simplify the left side.

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Step 2.2.1

Cancel the common factor of $3$ .

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Step 2.2.1.1

Cancel the common factor.

$\frac{3 m}{3} = \frac{26}{3}$

Step 2.2.1.2

Divide $m$ by $1$ .

$m = \frac{26}{3}$

Step 3

The result can be shown in multiple forms.

Exact Form:

$m = \frac{26}{3}$

Decimal Form:

$m = 8.\overline{6}$

Mixed Number Form:

$m = 8 \frac{2}{3}$