7+-5a=-38

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Solution for 7+-5a=-38 equation: 



7+-5a=-38

We move all terms to the left:

7+-5a-(-38)=0

We add all the numbers together, and all the variables

-5a+45=0

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

-5a=-45

a=-45/-5

a=+9

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