1) 2x + 3x + 2x = 14
2) 4x + 5x – 3x = 120
3) 5 + 4x + 7 + 2x = 18
4) 12 + 6x = 18.
5) 6x = 18 – 12 = 6
6) 5x + 2x + 3x = 20
7) 4 + 3 + 8x = 15
8) x + x + x + x = 8
9) 2x + 2x +2x = 12
10) –x –x –x –x = 4
11) 3x + 7 +2x –1 = 11
12) 3x + 7x + 20x = 60
13) 6 + 7x – 3x = 9 + 6
15) 3x + 3x + 3x = 12
16) 5x –2x – x + 2 = 8