Solve for x
x = \frac{5}{2} = 2\frac{1}{2} = 2.5
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-80x=200-400
Subtract 400 from both sides.
-80x=-200
Subtract 400 from 200 to get -200.
x=\frac{-200}{-80}
Divide both sides by -80.
x=\frac{5}{2}
Reduce the fraction \frac{-200}{-80} to lowest terms by extracting and canceling out -40.
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Matrix
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