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-6.5a=16.25
We move all terms to the left:
-6.5a-(16.25)=0
We add all the numbers together, and all the variables
-6.5a-16.25=0
We move all terms containing a to the left, all other terms to the right
-6.5a=16.25
a=16.25/-6.5
a=-2+1/2
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