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4.2y=37.8
We move all terms to the left:
4.2y-(37.8)=0
We add all the numbers together, and all the variables
4.2y-37.8=0
We move all terms containing y to the left, all other terms to the right
4.2y=37.8
y=37.8/4.2
y=8+1/1
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