Answer:
1) [tex]43x + 72 = 502 \\ 43x = 502 - 72 \\ 43x = 430 \\ x = \frac{430}{43} \\ x = 10[/tex]
2) [tex]19y - 200 = 47 \\ 19y = 47 + 200 \\ 19y = 247 \\ y = \frac{247}{19} \\ y = 13[/tex]
