31=x+2x+(3x+1)

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Solution for 31=x+2x+(3x+1) equation:


31=x+2x+(3x+1)

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

Remove unnecessary parentheses
+31=+x+2x+3x+1

We move all terms containing x to the left and all other terms to the right. 
-1x-2x-3x=+1-31

We simplify left and right side of the equation. 
-6x=-30

We divide both sides of the equation by -6 to get x. 
x=5

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