30*x-10*(x-1)-6-(2x-5)+5*(x+8)=7

Question

30*x-10*(x-1)-6-(2x-5)+5*(x+8)=7

Answer 1

30х-10х+10-6-2х+5+5х+40-7=0
30х-10х-2х+5х+10-6+5+40-7=0
23х+42=0
23х=-42
х=-1(целая)19/42