5x 3 3x 12 4x 3 10x 2 2x July 8, 2019 16 32 64 128 Add 5x 3 3x 12 4x 3 10x 2 2x 5(x + 2) - 3(x - 3) = 15 - 2x 12x - 10 9 - (10 - 3x)
