a-7=-a+3

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Solution for a-7=-a+3 equation: 



a-7=-a+3

We move all terms to the left:

a-7-(-a+3)=0

We add all the numbers together, and all the variables

a-(-1a+3)-7=0

We get rid of parentheses

a+1a-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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