(x-20)+3x=120

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Solution for (x-20)+3x=120 equation:


(x-20)+3x=120

We simplify the equation to the form, which is simple to understand 
(x-20)+3x=120

Remove unnecessary parentheses
x-20+3x=120

We move all terms containing x to the left and all other terms to the right. 
+1x+3x=+120+20

We simplify left and right side of the equation. 
+4x=+140

We divide both sides of the equation by 4 to get x. 
x=35

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