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30=1/2(4x-2x)
We simplify the equation to the form, which is simple to understand
30=1/2(4x-2x)
Reorder the terms in parentheses
30=+(+1x)
Remove unnecessary parentheses
+30=+1x
We move all terms containing x to the left and all other terms to the right.
-1x=-30
We simplify left and right side of the equation.
-1x=-30
We divide both sides of the equation by -01 to get x.
x=30
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