4x-7 13 July 8, 2019 16 32 64 128 4x 7 13 what is x (- 4x 7 130 4x 7 13 answer 4x 7 135 4x 7 13 solve for x 4x 7 13 solving equations 4x 13 7 2x 4x 7 9x 13 4x 7 6x 13 4x 7 5x 13 4x 7 8x 13 4x 7 2x 13 180 10x 7 4x 13 16x 7 4x 13 9x X 4x 7 13 verificacion