Question

Решите уравнения
10 класс

Answer 1

9(7+9х)+4(2-х)/36 =252х+36/36

63+81х+8-4х-252х-36/36

-175х+35=0

х=5

4(х+3)+7(х+2)-4/(х+2)(х+3)

4х+12+7х+14-4/(х+2)(х+3)

11х+22=0

11х=-22

х=-2