Simplify the algebraic expression. 1.6x-x+5-2 2.9a-7a+7-4 3. 9-1+8y-3y
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Answer:
1. 6x - x + 5 - 2
=5x + 3
2. 9a - 7a + 7 - 4
=2a + 3
3. 9-1+8y-3y
=8 + 5y
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