Question

4х+5-2(х+1)+11 решите уравнение

Answer 1

4x +5 -2x -2 +11 =2x +14 =2(x +7)

Answer 2

4х-5-2х-2+11=0
4х-2х=5+2-11
2х=-4(делим на 2)
х=-2