3x 13 5x 7 July 8, 2019 16 32 64 128 3x 13 5x 7 180 3x 8y 13 5x 16y 7 5x 13 3x 33 70 3x y 13 5x 2y 7 13 5x 3x 70 3x y 13 5x 2y 7 by substitution method 3x 7 5x 13 solve for x 3x 14 5x 7 13 7x 13 3x 5x 1 7 3x 5x 13 what is x 5x 2 3x 13 7x 2x 2 17 3x 7 5x 4 13 6 5x 8 3x 13 2x 7
