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18x+2,5(500-18x)=2800
We simplify the equation to the form, which is simple to understand
18x+2,5(500-18x)=2800
Reorder the terms in parentheses
18x+(+1250-45x)=2800
Remove unnecessary parentheses
+18x+1250-45x=+2800
We move all terms containing x to the left and all other terms to the right.
+18x-45x=+2800-1250
We simplify left and right side of the equation.
-27x=+1550
We divide both sides of the equation by -27 to get x.
x=-57.407407407407
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