-3=1+5a+6

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Solution for -3=1+5a+6 equation: 



-3=1+5a+6

We move all terms to the left:

-3-(1+5a+6)=0

We add all the numbers together, and all the variables

-(5a+7)-3=0

We get rid of parentheses

-5a-7-3=0

We add all the numbers together, and all the variables

-5a-10=0

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

-5a=10

a=10/-5

a=-2

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