28=2a+8

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Solution for 28=2a+8 equation: 



28=2a+8

We move all terms to the left:

28-(2a+8)=0

We get rid of parentheses

-2a-8+28=0

We add all the numbers together, and all the variables

-2a+20=0

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

-2a=-20

a=-20/-2

a=+10

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