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2.2(1)-1.4y=2.1
We move all terms to the left:
2.2(1)-1.4y-(2.1)=0
We add all the numbers together, and all the variables
-1.4y+0.11=0
We move all terms containing y to the left, all other terms to the right
-1.4y=-0.11
y=-0.11/-1.4
y=0.11/1.4
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