1)19х-7х =144 2)22х-14х+8=120

Question

1)19х-7х =144
2)22х-14х+8=120

Answer 1

1)19х-7х=144

12х=144

х=144/12

х=12

2)22х-14х+8=120

8х+8=120

8х=120-8

8х=112

х=112/8

х=14