7=-3a+1

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Solution for 7=-3a+1 equation: 



7=-3a+1

We move all terms to the left:

7-(-3a+1)=0

We get rid of parentheses

3a-1+7=0

We add all the numbers together, and all the variables

3a+6=0

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

3a=-6

a=-6/3

a=-2

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