Which expression is equivalent to 7a - 8 - 2a + 4?

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Lerk asked Apr 4, 2023

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Which expression is equivalent to 7a - 8 - 2a + 4?

Mathematics
high-school

Lerk asked Apr 4, 2023

by Lerk

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1 Answer

16 votes

Answer:

a = 4/5 OR 5a - 4

Explanation:

If you set it equivalent to 0:

7a - 8 - 2a + 4 = 0

5a - 4 = 0

5a = 4

a = 4/5

If you are only simplifying:

7a - 8 - 2a + 4

5a - 4

Lucas Kauffman answered Apr 8, 2023

by Lucas Kauffman

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