5 3x 9 x 3x 7 4 x July 8, 2019 16 32 64 128 Given that 5 3x 9 x 3x 7 4 x find the possible values of x 5 x 7 = 35 3 x-5=x+3 5(x + 3) - 7(x + 4) = 9 - x 5(3x+4) 7 9+5x