280=20(x)+500

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Solution for 280=20(x)+500 equation:



280=20(x)+500
We move all terms to the left:
280-(20(x)+500)=0
We get rid of parentheses
-20x-500+280=0
We add all the numbers together, and all the variables
-20x-220=0
We move all terms containing x to the left, all other terms to the right
-20x=220
x=220/-20
x=-11

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