12=30*x/(30+x)

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Solution for 12=30*x/(30+x) equation:


12=30*x/(30+x)

We simplify the equation to the form, which is simple to understand 
12=30*x/(30+x)

Simplifying:
12=+30x/(30+x)

Reorder the terms in parentheses
12=+(+1x+30)

Remove unnecessary parentheses
+12=+1x+30

We move all terms containing x to the left and all other terms to the right. 
-1x=+30-12

We simplify left and right side of the equation. 
-1x=+18

We divide both sides of the equation by -01 to get x. 
x=-18

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