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=$frac{430}{43}$
x=10

3)19y=47+200
19y=247
y=$frac{247}{19}$
y=13

2)67-21y=25
21y=67-25
21y=42
y=$frac{42}{21}$

4)83+29x=982
29x=982-83
29x=899
x$frac{899}{29}$
x=31