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12y-20=8y+15
We simplify the equation to the form, which is simple to understand
12y-20=8y+15
We move all terms containing y to the left and all other terms to the right.
+12y-8y=+15+20
We simplify left and right side of the equation.
+4y=+35
We divide both sides of the equation by 4 to get y.
y=8.75
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