4x 7 2 5x 1 6 x 5 July 8, 2019 16 32 64 128 6 1 4x )+ 7 2 5x )= 53 find x 5) 1 5x -2=4 6) 7 - 6x = - 5 2 4(−6x−17)=−7 8(5x−20) x=x=
