Question

-13 = r/9 + 8

Solve for r

Answer 1

r = -189

Explanation:

-13 = r/9 + 8

-13 - 8 = r/9

-21 = r/9

-21 × 9 = r

-189 = r

Answer 2

r = -189

-13 = r/9 + 8

Subtract 8 on both sides

-21 = r/9

Multply 9 on both sides

-189 = r