Answer:
All of them except for the 3rd one
Explanation:
2) 15 - 3x = 5(x + 4) - 8x
15 - 3x = 5x + 20 - 8x
15 - 3x ≠ -3x + 20
4) 2(x - 7) = 2x - 10
2x - 14 ≠ 2x - 10
1) 24x - 22 = -4(1 - 6x)
24x - 22 ≠ -4 + 24x
3) 12 - 2x = 6(2x + 2)
12 - 2x = 12x + 12
0 = 14x
0 = x, only one that has a solution