Select the expressions that are equivalent to -5(-9f + 7) - 7. -42f + 45 -9f-42 (-9f + 7)-5-7 45f - 42

Sds asked Jul 7, 2023

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26 votes

Select the expressions that are equivalent to -5(-9f + 7) - 7.

-42f + 45
-9f-42
(-9f + 7)-5-7
45f - 42

Sds asked Jul 7, 2023

by Sds

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27 votes

Answer:

45f - 42

Explanation:

-5(-9f + 7) - 7

Expand -5(-9f +7) = -5(-9f) + (-5)(7) = +45f -35 or simply 45f - 35

5(-9f + 7) - 7 becomes 45f - 35 - 7 = 45f - 42

Ben Wilson answered Jul 13, 2023

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