3x 2 12 x 4 8 2 July 8, 2019 16 32 64 128 14 3x 12 2 x x 4 3 8 2x (12 - 2 4x)/8 = (3 8x - 19)/4 4 1(2-3x)=12-(12 3x+3 8) 12 2 x 4 3