Add 10 x 2 5x 3 ) ( 7x2 2x 7 July 8, 2019 16 32 64 128 Add 10 x 2 5x 3 )+( 7x2 2x 7 5 x 7 = 35 D) 21(x - 5) = 2(10 - 7x) 2) 7 5x - 2 5x=7x-10 4) 2 4(5x - 3) =-0 8(10-5x)