20-x=3

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Solution for 20-x=3 equation:


20-x=3

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

We move all terms containing x to the left and all other terms to the right. 
-1x=+3-20

We simplify left and right side of the equation. 
-1x=-17

We divide both sides of the equation by -1 to get x. 
x=17

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