12-3a=25-5

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Solution for 12-3a=25-5 equation: 



12-3a=25-5

We move all terms to the left:

12-3a-(25-5)=0

We add all the numbers together, and all the variables

-3a+12-20=0

We add all the numbers together, and all the variables

-3a-8=0

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

-3a=8

a=8/-3

a=-2+2/3

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