3+5a=5-7a

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Solution for 3+5a=5-7a equation: 



3+5a=5-7a

We move all terms to the left:

3+5a-(5-7a)=0

We add all the numbers together, and all the variables

5a-(-7a+5)+3=0

We get rid of parentheses

5a+7a-5+3=0

We add all the numbers together, and all the variables

12a-2=0

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

12a=2

a=2/12

a=1/6

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