7a+28=7a+28

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Solution for 7a+28=7a+28 equation: 



7a+28=7a+28

We move all terms to the left:

7a+28-(7a+28)=0

We get rid of parentheses

7a-7a-28+28=0

We add all the numbers together, and all the variables

=0

a=0/1

a=0

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