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52900=1.9y+21
We move all terms to the left:
52900-(1.9y+21)=0
We get rid of parentheses
-1.9y-21+52900=0
We add all the numbers together, and all the variables
-1.9y+52879=0
We move all terms containing y to the left, all other terms to the right
-1.9y=-52879
y=-52879/-1.9
y=27831+0.100000000006/1.9
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