Answer:
2) [tex]67 - 21y = 25 \\ 21y = 25 + 67 \\ 21y = 92 \\ y = \frac{92}{21} \\ y = 4.38095238[/tex]
4) [tex]83 + 29x = 982 \\ 29x = 982 - 83 \\ 29x = 899 \\ x = \frac{899}{29} \\ x =9.08080808[/tex]
