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Help neededdd.......

Help neededdd.......
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Help neededdd.......

Help neededdd.......-example-1
User Wrath
by
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1 Answer

7 votes

Answer:

1. -5a

Explanation:

The definition of combining like terms is adding their coefficients, for example: 2x + 3x = (2+3)x = 5x.

So for this one, -21a+16a = (-21+16)a = -5a.

User Yury Fedorov
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