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Question 1
Simplify the following expressions by collecting like terms. All terms are positive.
| (a) | \( 2x + 5 + 4x + 2\) | (b) | \( 5x + 8 + 3x + 4\) |
| (c) | \( 12x + 7 + 5x + 2\) | (d) | \( 3x + 8 + 7x + 9\) |
| (e) | \( y + 7x + 6y + 4x + 9\) | (f) | \( 3x + 14 + 8x + x + 6\) |
| (g) | \( 13 + 2x + 6 + 15x + 2\) | (h) | \( 7x + 5x + 10 + 6x + 8 + x\) |
| (i) | \( 9x + 3 + 4x + 7 + 16 + 7x\) | (j) | \( 4a + 6b + 3a + 6c + 7b + c\) |
| (k) | \( 10x + 5 + 2y + 4x + 9 + 7x + 5y\) | (l) | \( 9a + c + 5b + 6c + 2a + 5c + 9b\) |