7(2х-5)-(5(7х-2)-2(5х-7))=-72

Question

7(2х-5)-(5(7х-2)-2(5х-7))=-72

Answer 1

7(2х-5)-(5(7х-2)-2(5х-7))=-72

14х-35-35х+10+10х-14=-72

14х-35х+10х=-72+14-10+35

-11х=-33

х=-33:(-11)

х=3

Answer 2

7(2х-5)-(5(7х-2)-2(5х-7))=-72

14х-35-(35х-10-10х+14)-72

14х-35-(25х+4)-72

14х-35-25х-4-72

Ответ: -11х-111