5a+2=21

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Solution for 5a+2=21 equation: 



5a+2=21

We move all terms to the left:

5a+2-(21)=0

We add all the numbers together, and all the variables

5a-19=0

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

5a=19

a=19/5

a=3+4/5

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