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-4.2=0.7y
We move all terms to the left:
-4.2-(0.7y)=0
We add all the numbers together, and all the variables
-(+0.7y)-4.2=0
We get rid of parentheses
-0.7y-4.2=0
We move all terms containing y to the left, all other terms to the right
-0.7y=4.2
y=4.2/-0.7
y=-6+8.8817841970013E-16/0.7
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