Subtract a-4 from 4a+16 and simplify your answer. The variable a should only appear in your answer once. Plz help asap Thanks

asked Jul 9, 2018 127k views

2 votes

Subtract a-4 from 4a+16 and simplify your answer. The variable a should only appear in your answer once.

Plz help asap
Thanks

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7 votes

4a + 16 - (a - 4)
4a + 16 - a + 4

Collect the terms:

a:
4a - a = 3a

Constants:
16 + 4 = 20

3a + 20

AresCaelum answered Jul 11, 2018

7.9k points

3 votes

the answer is given above

Dan McCallum answered Jul 15, 2018

8.3k points

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