Question

Сколько будет 4x-(7x-2)=17 помогите

Answer 1

4х-7х+2=17
-3х=15
х=-5

Answer 2

4х-(7х-2)=17
4х-7х+2=17
4х-7х+2-17=0
4х-7х=17-2
-3х=15
х=15:(-3)
х=-5.