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motikmotik
3 years ago
8

What is -4 (7a + 5) = -160?​

Biology
2 answers:
diamong [38]3 years ago
8 0
A=5 hope this helped you :)
Viktor [21]3 years ago
3 0

Answer:

a = 5

Explanation:

-4 (7a + 5) = -160

{Distribute}

-28a - 20 = -160

<u>+28a        = +28a</u>

-20           = -160 + 28a

<u>+160         = +160</u>

<u>140</u>           = <u>28a</u>

28                28

5 = a

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