4 9 x 36 )=- 1 3 2x 18 July 8, 2019 16 32 64 128 3 x 3 = 9 3) 18 9x-13 4 10 1x+13 3) 18 9x - 13 4 =10 1x+13 4) 4 6(x - 3) =4 2+x 4 1/2 + 1 1/3