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Olin [163]
3 years ago
13

Help to solve -7 - 3a = 1 - 4a

Mathematics
2 answers:
xxTIMURxx [149]3 years ago
8 0

Answer:

a =8

Step-by-step explanation:

-7 - 3a = 1 - 4a

add 3a to both sides

-7 - 3a + 3a = 1 -4a + 3a \\-7 = 1 -a

add -1 to both sides

-7 - 1 = 1 - a -1\\-8 = -a

multiply both sides by -1

-8 * (-1) = -a * (-1) \\8 = a

Evgesh-ka [11]3 years ago
6 0

Answer:

-7 - 3a = 1 – 4a  

Step one: Add 4a to -3a  

 

-7 + a = 1  

 

Step two: Add 7 to 1  

 

A = 8  

 

You're done! A=8 for this problem!  

 

 

Hopefully this helps! Feel free to mark brainliest!  

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Answer:

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Step-by-step explanation:

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Answer:

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8 0
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Answer:

Yep!

Step-by-step explanation:

I'm not 100% sure if your first one is correct, but I know the second one is! Great job :)

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