5 0.75x 4 )= 2x 0.5 10 x July 8, 2019 16 32 64 128 5 () 0.75 x − 4 2x − 0.5 () 10 − x 5 x 7 = 35 0.75 x 5 2) 5 4(0.5x + 4) =8 1(4+x)