3 4x 4 1 2x 10 July 8, 2019 16 32 64 128 4x 3 6x 2 10x 4 2x 1 4x 3 10x 4 x 2x 1 3 2 4x 10 )-( 2x 1 )= 4 2x 13 1 + 2 + 3 + 4 = 10 3 4x+2 18=10 10-4x =3(1-x) 3 5+x/4 2x