8-5a=7

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Solution for 8-5a=7 equation: 



8-5a=7

We move all terms to the left:

8-5a-(7)=0

We add all the numbers together, and all the variables

-5a+1=0

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

-5a=-1

a=-1/-5

a=1/5

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