Question

Реши уравнение: 5 · х - 38 = 42.

Answer 1

5x-38=42
5x=38+42
5x=80
x=16

Answer 2

5 · х - 38 = 42
5х - 38 = 42
5х = 42+38
5х=80
х=80:5
х=16