40-x=3x

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Solution for 40-x=3x equation:


40-x=3x

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

We move all terms containing x to the left and all other terms to the right. 
-1x-3x=-40

We simplify left and right side of the equation. 
-4x=-40

We divide both sides of the equation by -4 to get x. 
x=10

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