What is the solution of 2x/5−x/2=40 ?
2x/5 - X/2 = 40 LCD = 10 2•(2x/5) - 5•(X/2) = 404x/10 - 5x/10 = 40 4x-5x/10 = 40 -X/10 = 40 10•(-X/10) = 40 • 10 -X = 400 -X/-1 = 400/-1 X = -400. I believe the solution is that X = -400.