3a+7=-5+1+2a+7

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Solution for 3a+7=-5+1+2a+7 equation: 



3a+7=-5+1+2a+7

We move all terms to the left:

3a+7-(-5+1+2a+7)=0

We add all the numbers together, and all the variables

3a-(2a+3)+7=0

We get rid of parentheses

3a-2a-3+7=0

We add all the numbers together, and all the variables

a+4=0

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

a=-4

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