18 2 4x 7 ) 5 July 8, 2019 16 32 64 128 18 2 4x 7 )+ 5x 18 2 4x 7 )+ 5 Simplify 18 2 4x 7 )+ 5x 18 - 4 x 2 18÷x=7 2÷4 5 (18 - x) - 7(2x - 4) = 5x + 20 18 x = 7 2 4 5