| 1) | 3x + 6 = 9 | 2) | 2x -3 = 5 |
| 3) | 3x + 5 = 7 | 4) | 4x + 1 = 6 |
| 5) | 4x - 1 = 19 | 6) | 3x -2 = 6 |
| 7) | 2x -3 = 0 | 8) | 2x - 1 = 9 |
| 9) | 2x + 7 = 6 | 10) | 4x - 1 = 7 |
| 11) | 4x + 5 = 8 | 12) | 2x + 8 = 19 |
| 13) | 3x -3 = 12 | 14) | 4x + 6 = 1 |
| 15) | 2x -3 = 1 | 16) | 2x + 5 = -21 |
| 17) | 4x -3 = -2 | 18) | 2x -2 = -18 |
| 19) | 2x + 2 = 1 | 20) | 3x -3 = 13 |
| 21) | 4x -5 = -7 | 22) | 3x + 4 = 17 |
| 23) | 4x + 8 = -9 | 24) | 4x + 5 = -6 |
| 25) | 4x + 4 = 20 | 26) | 2x -6 = -18 |
| 27) | 3x + 4 = 18 | 28) | 4x + 7 = 7 |
| 29) | 4x + 8 = 17 | 30) | 2x + 1 = -24 |
| 31) | 4x + 4 = -3 | 32) | 3x -3 = 15 |
| 33) | 4x + 6 = -20 | 34) | 4x + 5 = 8 |
| 35) | 3x + 8 = 17 | 36) | 4x -2 = 19 |
| 37) | 4x + 7 = -1 | 38) | 4x + 5 = -18 |
| 39) | 3x -5 = -12 | 40) | 2x + 7 = -20 |
Joke:
To err is human, to remember them in order, statistics; to plot them Excel!