3 2x 1 )= 12 2 x 4 July 8, 2019 16 32 64 128 2x 1 3 4x x 2 12 x 2 4 9 5x 12 2 x 1 )= 3 5 2x )+ 4x 4 1(2-3x)=12-(12 3x+3 8) 1 2 + 3 4 1 + 2 + 3 + 4 = 10
