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20=y-8.1
We simplify the equation to the form, which is simple to understand
20=y-8.1
We move all terms containing y to the left and all other terms to the right.
-1y=-8.1-20
We simplify left and right side of the equation.
-1y=-28.1
We divide both sides of the equation by -01 to get y.
y=28.1
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