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0.7y=8.4
We move all terms to the left:
0.7y-(8.4)=0
We add all the numbers together, and all the variables
0.7y-8.4=0
We move all terms containing y to the left, all other terms to the right
0.7y=8.4
y=8.4/0.7
y=12+1.7763568394003E-15/0.7
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