5+21=a-9

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Solution for 5+21=a-9 equation: 



5+21=a-9

We move all terms to the left:

5+21-(a-9)=0

We add all the numbers together, and all the variables

-(a-9)+26=0

We get rid of parentheses

-a+9+26=0

We add all the numbers together, and all the variables

-1a+35=0

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

-a=-35

a=-35/-1

a=+35

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