Question

решите уравнение:
1) $frac{x}{5} - frac{x}{6} = 0.1$
2) $frac{x}{2} - frac{x}{3} = -0.2$

Answer 1

1. x/5 - x/6 = 1/10
    6x/30 - 5x/30 = 1/10
    x/30 = 1/10
    x/30 = 3/30
    x=3
2. x/2 - x/3 = -1/5
    3x/6 - 2x/6 = -1/5
    x/6 = -1/5
    5x/30 = -6/30
    5x=-6
    x= -6/5 = -1 1/5 = -1,2