y + -13 = 4(x + -2) Reorder the terms: -13 + y = 4(x + -2) Reorder the terms: -13 + y = 4(-2 + x) -13 + y = (-2 * 4 + x * 4) -13 + y = (-8 + 4x) Solving -13 + y = -8 + 4x Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '13' to each side of the equation. -13 + 13 + y = -8 + 13 + 4x Combine like terms: -13 + 13 = 0 0 + y = -8 + 13 + 4x y = -8 + 13 + 4x Combine like terms: -8 + 13 = 5 y = 5 + 4x Simplifying y = 5 + 4x