Question

Реши уравения:

(120-7x) : 3=26

Answer 1

(120-7х)/3 = 26       /*3
120-7х = 78
-7х = 78-120
-7х=-42
х=6

Answer 2

(120-7х)/3 = 26 /*3
120-7х = 78
-7х = 78-120
-7х=-42
х=6