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a=2(2.25)/(0.680)^2
We move all terms to the left:
a-(2(2.25)/(0.680)^2)=0
We add all the numbers together, and all the variables
a-(2(2.25)/(0.68)^2)=0
We add all the numbers together, and all the variables
a-1=0
We move all terms containing a to the left, all other terms to the right
a=1
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