a+a+4+(a-4+6)=31

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Solution for a+a+4+(a-4+6)=31 equation: 



a+a+4+(a-4+6)=31

We move all terms to the left:

a+a+4+(a-4+6)-(31)=0

We add all the numbers together, and all the variables

a+a+(a+2)+4-31=0

We add all the numbers together, and all the variables

2a+(a+2)-27=0

We get rid of parentheses

2a+a+2-27=0

We add all the numbers together, and all the variables

3a-25=0

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

3a=25

a=25/3

a=8+1/3

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