5a-40a=-30

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Solution for 5a-40a=-30 equation: 



5a-40a=-30

We move all terms to the left:

5a-40a-(-30)=0

We add all the numbers together, and all the variables

-35a+30=0

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

-35a=-30

a=-30/-35

a=6/7

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