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1/2x+30=85
We simplify the equation to the form, which is simple to understand
1/2x+30=85
We move all terms containing x to the left and all other terms to the right.
+2x=+85-30
We simplify left and right side of the equation.
+2x=+55
We divide both sides of the equation by 2 to get x.
x=27.5
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