1) -(3y + 7) = 8 - 2(8 - y)-3y - 7 = 8 - 16 + 2y-3y - 7 = -8 + 2y-5y = -1y = 1/5
2) -2(2 - 5x) = 2(x - 3) - 54 - 10x = 2x - 6 - 5-10x = 2x - 15-12x = -15x = 5/4
3) 4x - 2(x + 7) = 2(3 - x)4x - 2x - 14 = 6 - 2x2x - 14 = 6 - 2x4x = 20x = 5
1) -(3y + 7) = 8 - 2(8 - y)
-3y - 7 = 8 - 16 + 2y
-3y - 7 = -8 + 2y
-5y = -1
y = 1/5
2) -2(2 - 5x) = 2(x - 3) - 5
4 - 10x = 2x - 6 - 5
-10x = 2x - 15
-12x = -15
x = 5/4
3) 4x - 2(x + 7) = 2(3 - x)
4x - 2x - 14 = 6 - 2x
2x - 14 = 6 - 2x
4x = 20
x = 5