1) 3(7y - 1) - 8 > 64 - 3(5y - 921y - 3 - 8 > 64 - 15y + 221y - 11 > 64 - 15y + 221y - 11 > 15y + 96y > 10y > 17
3) 12(2 - 0.5x) + 4 > 25 - 8(0.2x + 124 - 6x + 4 > 25 - 1.6x - 28 - 6x > 17 - 1.6-6x + 1.6x > 17 - 2-4.4x > -1x < 11/4.x < 2.5
5) (x + 5)^2 > (x + 7)^2 + 1x^2 + 10x + 25 > x^2 + 14x + 49 + 1x^2 + 10x + 25 > x^2 + 14x + 6-4x < 4x > -10
1) 3(7y - 1) - 8 > 64 - 3(5y - 9
21y - 3 - 8 > 64 - 15y + 2
21y - 11 > 64 - 15y + 2
21y - 11 > 15y + 9
6y > 10
y > 17
3) 12(2 - 0.5x) + 4 > 25 - 8(0.2x + 1
24 - 6x + 4 > 25 - 1.6x -
28 - 6x > 17 - 1.6
-6x + 1.6x > 17 - 2
-4.4x > -1
x < 11/4.
x < 2.5
5) (x + 5)^2 > (x + 7)^2 + 1
x^2 + 10x + 25 > x^2 + 14x + 49 + 1
x^2 + 10x + 25 > x^2 + 14x + 6
-4x < 4
x > -10