7=-3+2a

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Solution for 7=-3+2a equation: 



7=-3+2a

We move all terms to the left:

7-(-3+2a)=0

We add all the numbers together, and all the variables

-(2a-3)+7=0

We get rid of parentheses

-2a+3+7=0

We add all the numbers together, and all the variables

-2a+10=0

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

-2a=-10

a=-10/-2

a=+5

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