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19.85-9.9y+16.91=-15.2y-19.95
We move all terms to the left:
19.85-9.9y+16.91-(-15.2y-19.95)=0
We add all the numbers together, and all the variables
-9.9y-(-15.2y-19.95)+36.76=0
We get rid of parentheses
-9.9y+15.2y+19.95+36.76=0
We add all the numbers together, and all the variables
5.3y+56.71=0
We move all terms containing y to the left, all other terms to the right
5.3y=-56.71
y=-56.71/5.3
y=-10+2.1695906432749/3.0994152046784
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