8+2a=7a-2

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



8+2a=7a-2

We move all terms to the left:

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

We get rid of parentheses

2a-7a+2+8=0

We add all the numbers together, and all the variables

-5a+10=0

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

-5a=-10

a=-10/-5

a=+2

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