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(-6.5)(-8.62)=a
We move all terms to the left:
(-6.5)(-8.62)-(a)=0
We add all the numbers together, and all the variables
-1a+56.03=0
We move all terms containing a to the left, all other terms to the right
-a=-56.03
a=-56.03/-1
a=56+0.030000000000001/1
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