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2+2(y-1.2)=12.8
We move all terms to the left:
2+2(y-1.2)-(12.8)=0
We add all the numbers together, and all the variables
2(y-1.2)-10.8=0
We multiply parentheses
2y-2.4-10.8=0
We add all the numbers together, and all the variables
2y-13.2=0
We move all terms containing y to the left, all other terms to the right
2y=13.2
y=13.2/2
y=6+1/1.6666666666667
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