1. x = -7
2. y = -1
For number 1:
Plus five both side of the equation and you get -3x = 21
Divide -3 both side and you get x = -7
For number 2:
Multiply -4 by y and -2 .... you get -4y + 8 = 12
Minus 8 side of the equation and you get -4y = 4
Divide by -4 both sides and you get y = -1