280-X=500

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Solution for 280-X=500 equation:


280-x=500

We simplify the equation to the form, which is simple to understand 
280-x=500

We move all terms containing x to the left and all other terms to the right. 
-1x=+500-280

We simplify left and right side of the equation. 
-1x=+220

We divide both sides of the equation by -1 to get x. 
x=-220

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