7x 5 2 x ) 10 4x 6 July 8, 2019 16 32 64 128 7x 5 2 x )+ 10 4x 6 10 6 2x 1 )= 3 5 4x )+ 7x 1) 4(5x + 2) = 10(2x - 3) + 15 2) 2(7x - 7) = 7(2x - 3) + 7
