18+8=2a+12

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Solution for 18+8=2a+12 equation: 



18+8=2a+12

We move all terms to the left:

18+8-(2a+12)=0

We add all the numbers together, and all the variables

-(2a+12)+26=0

We get rid of parentheses

-2a-12+26=0

We add all the numbers together, and all the variables

-2a+14=0

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

-2a=-14

a=-14/-2

a=+7

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