2a+13=25

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Solution for 2a+13=25 equation: 



2a+13=25

We move all terms to the left:

2a+13-(25)=0

We add all the numbers together, and all the variables

2a-12=0

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

2a=12

a=12/2

a=6

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