-40+10a=-7

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Solution for -40+10a=-7 equation: 



-40+10a=-7

We move all terms to the left:

-40+10a-(-7)=0

We add all the numbers together, and all the variables

10a-33=0

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

10a=33

a=33/10

a=3+3/10

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