Solve for q 57-12+5q=85

$57 - 12 + 5 q = 85$

Subtract $12$ from $57$ .

$45 + 5 q = 85$

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

Subtract $45$ from both sides of the equation.

$5 q = 85 - 45$

Subtract $45$ from $85$ .

$5 q = 40$

Divide each term in $5 q = 40$ by $5$ and simplify.

Divide each term in $5 q = 40$ by $5$ .

$\frac{5 q}{5} = \frac{40}{5}$

Simplify the left side.

Cancel the common factor of $5$ .

Cancel the common factor.

$\frac{5 q}{5} = \frac{40}{5}$

Divide $q$ by $1$ .

$q = \frac{40}{5}$

Simplify the right side.

Divide $40$ by $5$ .

$q = 8$