Rewrite the equation as 3 y + 15 = − 8 x 3 y + 15 = - 8 x . 3 y + 15 = − 8 x 3 y + 15 = - 8 x Subtract 15 15 from both sides of the equation. 3 y = − 8 x − 15 3 y = - 8 x - 15 Divide each term by 3 3 and simplify. Tap for more steps... y = − 8 x 3 − 5