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Question 2
Simplify the following expressions by collecting like terms. The expressions contain both positive and negative terms. Take care over signs.
| (a) | 3x−7+4x+2 | (b) | 7y+3−9y−8 |
| (c) | 2x−6−8x−7 | (d) | 12a−3b−7a+b−4 |
| (e) | 10x−5+2x+8−3x | (f) | 7x+12−4x−5−2x+1 |
| (g) | 8x−8+x−6x+10+4x | (h) | 7−10x+5+6x−8 |
| (i) | 3x−6−8x+2x−7+4x | (j) | 5y+2x−3−8y+4x−2y−4 |
| (k) | 2x−3y+5x−4+7y−8 | (l) | 4y−3x+8z−3−2z+5x−8y−9 |