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0.25*19+0.30y=5.10
We move all terms to the left:
0.25*19+0.30y-(5.10)=0
We add all the numbers together, and all the variables
0.30y+0.25*19-(5.1)=0
We add all the numbers together, and all the variables
0.30y-0.35=0
We move all terms containing y to the left, all other terms to the right
0.30y=0.35
y=0.35/0.30
y=1+0.05/0.30
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