4 years ago

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

Mathematics

2 answers:

maksim [4K]4 years ago

8 0

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

Collect the terms:

a:
4a - a = 3a

Constants:
16 + 4 = 20

3a + 20

hichkok12 [17]4 years ago

6 0

The answer is given above

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