7x 4 2x 5 )=- 3 5x 2 July 8, 2019 16 32 64 128 7x 4 2x 5 )= 3 5x 2 )- 6 7 5x+2=7 4x+4 2 - (2x + 7)/4 = (3 - 5x)/2
