5(x-3)-2(х-7)+7(2х+6)=7

Question

5(x-3)-2(х-7)+7(2х+6)=7

Answer 1

5(х-3)-2(х-7)+7(2х+6)=7
5х-15-2х+14+14х+42=7
5х-2х+14х=7+15-14-42
17х= -34
х= -2