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