40=2+x+x

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Solution for 40=2+x+x equation:


40=2+x+x

We simplify the equation to the form, which is simple to understand 
40=2+x+x

We move all terms containing x to the left and all other terms to the right. 
-1x-1x=+2-40

We simplify left and right side of the equation. 
-2x=-38

We divide both sides of the equation by -2 to get x. 
x=19

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