5a-5=21+3a

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Solution for 5a-5=21+3a equation: 



5a-5=21+3a

We move all terms to the left:

5a-5-(21+3a)=0

We add all the numbers together, and all the variables

5a-(3a+21)-5=0

We get rid of parentheses

5a-3a-21-5=0

We add all the numbers together, and all the variables

2a-26=0

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

2a=26

a=26/2

a=13

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