1. Simplify by combining the like terms:
(a) 3r - 4x + 11x - 2x
(b) +72-3x + 7 - 5x
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Answer:
a.5x+3r b.-8x+79
Step-by-step explanation:
a.-4x+11x-2x+3r
5x+3r
b.-3x-5x+7+72
-8x+79
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