Question

Решите уравнение 15-2(х-2)=22+х

Answer 1

15-2(x-2)=22+x
15-2x+4=22+x
-2x-x=22-15-4
-3x=3
x=3/(-3)
x=-1

Answer 2

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