3a+7-a=10+3+a

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Solution for 3a+7-a=10+3+a equation: 



3a+7-a=10+3+a

We move all terms to the left:

3a+7-a-(10+3+a)=0

We add all the numbers together, and all the variables

3a-a-(a+13)+7=0

We add all the numbers together, and all the variables

2a-(a+13)+7=0

We get rid of parentheses

2a-a-13+7=0

We add all the numbers together, and all the variables

a-6=0

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

a=6

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