3x+3=31-x

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Solution for 3x+3=31-x equation:


3x+3=31-x

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

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

We simplify left and right side of the equation. 
+4x=+28

We divide both sides of the equation by 4 to get x. 
x=7

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