-2a-3=25

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Solution for -2a-3=25 equation: 



-2a-3=25

We move all terms to the left:

-2a-3-(25)=0

We add all the numbers together, and all the variables

-2a-28=0

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

-2a=28

a=28/-2

a=-14

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