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7y-51=49-3y
We simplify the equation to the form, which is simple to understand
7y-51=49-3y
We move all terms containing y to the left and all other terms to the right.
+7y+3y=+49+51
We simplify left and right side of the equation.
+10y=+100
We divide both sides of the equation by 10 to get y.
y=10
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