840=(x+20)12

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Solution for 840=(x+20)12 equation:


840=(x+20)12

We simplify the equation to the form, which is simple to understand 
840=(x+20)12

Reorder the terms in parentheses
840=(+12x+240)

Remove unnecessary parentheses
840=+12x+240

We move all terms containing x to the left and all other terms to the right. 
-12x=+240-840

We simplify left and right side of the equation. 
-12x=-600

We divide both sides of the equation by -012 to get x. 
x=50

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