-6a-7-2.5a=25.5

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Solution for -6a-7-2.5a=25.5 equation: 



-6a-7-2.5a=25.5

We move all terms to the left:

-6a-7-2.5a-(25.5)=0

We add all the numbers together, and all the variables

-8.5a-32.5=0

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

-8.5a=32.5

a=32.5/-8.5

a=-3+7/8.5

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