4a-4=-40

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Solution for 4a-4=-40 equation: 



4a-4=-40

We move all terms to the left:

4a-4-(-40)=0

We add all the numbers together, and all the variables

4a+36=0

We move all terms containing a to the left, all other terms to the right

4a=-36

a=-36/4

a=-9

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