7=1-a-5a

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Solution for 7=1-a-5a equation: 



7=1-a-5a

We move all terms to the left:

7-(1-a-5a)=0

We add all the numbers together, and all the variables

-(-6a+1)+7=0

We get rid of parentheses

6a-1+7=0

We add all the numbers together, and all the variables

6a+6=0

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

6a=-6

a=-6/6

a=-1

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