Question

Решите уравнение 15 – 2(х – 2) = 22 + х.

Answer 1

15-2x+4=22+x
-2x-x=22-4-15
-3x=3
x= -1

Answer 2

15 – 2(х – 2) = 22 + х15 - 2х + 4 = 22 + x
-2x-x=-15-4+22
-3х = 3
х= -3/3
x=-1
Ответ: х=-1