Question

1) If 6y + 12 = 30, then what does 23 + 7 - 5y =

2) If x + 3x - 2x = 14, then what does 4x + 1 =
3) If d - 9 + 16 = 57 then what does 2d =
4) If p -11 + 3p = 77 then what does 2p / p + 2 =

Answer 1

Explanation:

1. you must first find the value of y

`6y + 12 = 30 \\ 6y = 30 - 12 \\ 6y = 18 \\ y = 3 \\ 23 + 7 - 5y \\ 23 + 7 - 5(3) = 15`