1) 4x + 15 - 10x = 5 - 11x-6x + 15 = 5 - 11x5x + 15 = 55x = -10x = -2
2) 19 - 6x - 16 = 2x - 373x + 3 = 2x - 37x = -40
3) 8x + 21 - 6x = 4x + 32x + 21 = 4x + 318 = 2xx = 9
4) 23 - 12x - 32 = 1 - 17x-12x - 9 = -17x5x = -8x = -8/5
1) 4x + 15 - 10x = 5 - 11x
-6x + 15 = 5 - 11x
5x + 15 = 5
5x = -10
x = -2
2) 19 - 6x - 16 = 2x - 37
3x + 3 = 2x - 37
x = -40
3) 8x + 21 - 6x = 4x + 3
2x + 21 = 4x + 3
18 = 2x
x = 9
4) 23 - 12x - 32 = 1 - 17x
-12x - 9 = -17x
5x = -8
x = -8/5