7-a=-2a+10

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Solution for 7-a=-2a+10 equation: 



7-a=-2a+10

We move all terms to the left:

7-a-(-2a+10)=0

We add all the numbers together, and all the variables

-1a-(-2a+10)+7=0

We get rid of parentheses

-1a+2a-10+7=0

We add all the numbers together, and all the variables

a-3=0

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

a=3

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