Solve for r v=(r-s)/2

$v = \frac{r - s}{2}$

Rewrite the equation as $\frac{r - s}{2} = v$ .

$\frac{r - s}{2} = v$

Multiply both sides by $2$ .

$\frac{r - s}{2} \cdot 2 = v \cdot 2$

Simplify.

Simplify the left side.

Cancel the common factor of $2$ .

Cancel the common factor.

$\frac{r - s}{2} \cdot 2 = v \cdot 2$

Rewrite the expression.

$r - s = v \cdot 2$

$r - s = v \cdot 2$

$r - s = v \cdot 2$

Simplify the right side.

Move $2$ to the left of $v$ .

$r - s = 2 v$

$r - s = 2 v$

$r - s = 2 v$

Add $s$ to both sides of the equation.

$r = 2 v + s$

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