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a0.8866=3.5
We move all terms to the left:
a0.8866-(3.5)=0
We add all the numbers together, and all the variables
a0.8866-3.5=0
We move all terms containing a to the left, all other terms to the right
a0.8866=3.5
a=3.5/1
a=3.5
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