1)43x+72=502 2)67-21y=25 3)19y-200=47 4)83+29x=982

Question

1)43x+72=502
2)67-21y=25
3)19y-200=47
4)83+29x=982

Answer 1

1)43x=502-72
43x=430
x=
x=10

3)19y=47+200
19y=247
y=
y=13

2)67-21y=25
21y=67-25
21y=42
y=

4)83+29x=982
29x=982-83
29x=899
x
x=31