3x+4=1/2(31-x-9)

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Solution for 3x+4=1/2(31-x-9) equation:


3x+4=1/2(31-x-9)

We simplify the equation to the form, which is simple to understand 
3x+4=1/2(31-x-9)

Reorder the terms in parentheses
3x+4=+(+11-0.5x)

Remove unnecessary parentheses
+3x+4=+11-0.5x

We move all terms containing x to the left and all other terms to the right. 
+3x + 0.5x=+11-4

We simplify left and right side of the equation. 
+3.5x=+7

We divide both sides of the equation by 3.5 to get x. 
x=2

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