-3x + 10 = -15 - 6-3x + 10 = -21-3x = -31x = 31/3
7x - 5x = 17 - 352x = -18x = -9
5x - 7x = -35 + 37-2x = 2x = -1
-2x - 11x = -45 + 6-13x = -39x = 3
-3x + 10 = -15 - 6
-3x + 10 = -21
-3x = -31
x = 31/3
7x - 5x = 17 - 35
2x = -18
x = -9
5x - 7x = -35 + 37
-2x = 2
x = -1
-2x - 11x = -45 + 6
-13x = -39
x = 3