Algebra Examples

$r = (b - 4) m$

Step 1

Rewrite the equation as $(b - 4) m = r$ .

$(b - 4) m = r$

Step 2

Divide each term in $(b - 4) m = r$ by $m$ and simplify.

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Step 2.1

Divide each term in $(b - 4) m = r$ by $m$ .

$\frac{(b - 4) m}{m} = \frac{r}{m}$

Step 2.2

Simplify the left side.

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Step 2.2.1

Cancel the common factor of $m$ .

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Step 2.2.1.1

Cancel the common factor.

$\frac{(b - 4) m}{m} = \frac{r}{m}$

Step 2.2.1.2

Divide $b - 4$ by $1$ .

$b - 4 = \frac{r}{m}$

Step 3

Add $4$ to both sides of the equation.

$b = \frac{r}{m} + 4$