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4.2y-5.2=18
We move all terms to the left:
4.2y-5.2-(18)=0
We add all the numbers together, and all the variables
4.2y-23.2=0
We move all terms containing y to the left, all other terms to the right
4.2y=23.2
y=23.2/4.2
y=5+1/1.90909090909
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