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500(x-20)-300x=30
We simplify the equation to the form, which is simple to understand
500(x-20)-300x=30
Reorder the terms in parentheses
+(+500x-10000)-300x=30
Remove unnecessary parentheses
+500x-10000-300x=+30
We move all terms containing x to the left and all other terms to the right.
+500x-300x=+30+10000
We simplify left and right side of the equation.
+200x=+10030
We divide both sides of the equation by 200 to get x.
x=50.15
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