7=2a+7=23

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Solution for 7=2a+7=23 equation: 



7=2a+7=23

We move all terms to the left:

7-(2a+7)=0

We get rid of parentheses

-2a-7+7=0

We add all the numbers together, and all the variables

-2a=0

a=0/-2

a=0

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