1)92-15х=17 2)76-(15-а)=69 3)144:(х-3)=36

Question

1)92-15х=17
2)76-(15-а)=69
3)144:(х-3)=36

Answer 1

1) -15х=17-92; -15х=-75; 15х=75; х=75:15=5.
2)-15+а=69-76; а=69-76+15; а=7.
3) х-з=144:36; х-3=4; х=4+3; х=7.