3x+31=40

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Solution for 3x+31=40 equation:


3x+31=40

We simplify the equation to the form, which is simple to understand 
3x+31=40

We move all terms containing x to the left and all other terms to the right. 
+3x=+40-31

We simplify left and right side of the equation. 
+3x=+9

We divide both sides of the equation by 3 to get x. 
x=3

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