4 5x 3 )- 7x 3 6x 4 ) 10 July 8, 2019 16 32 64 128 4 5x 3 )- 7x 3 6x 4 )+ 10 5 x 7 = 35 3 4x+5 7x+6 6x-4 7x 7x+3 = 5(x - 4) + 1 4x+1 =43-3(7+x)