2a-8=7-a

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Solution for 2a-8=7-a equation: 



2a-8=7-a

We move all terms to the left:

2a-8-(7-a)=0

We add all the numbers together, and all the variables

2a-(-1a+7)-8=0

We get rid of parentheses

2a+1a-7-8=0

We add all the numbers together, and all the variables

3a-15=0

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

3a=15

a=15/3

a=5

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