Question

2) 67 - 21y = 25;
4) 83 + 29.x = 982.​

Answer 1

2)
`67 - 21y = 25 \\ 21y = 25 + 67 \\ 21y = 92 \\ y = (92)/(21) \\ y = 4.38095238`

4)
`83 + 29x = 982 \\ 29x = 982 - 83 \\ 29x = 899 \\ x = (899)/(29) \\ x =9.08080808`