The solution of this equation is -7. 3x - 7 = 4x 3x - 7 - 4x = 0 3x - 4x - 7 = 0 -x - 7 = 0 -x = 7 x = -7

3x-7=4x 3x-4x=7 -x=7 |*(-1) x=-7 Answer: -7