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OpenStudy (anonymous):
-2x=-4x+20?
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OpenStudy (anonymous):
x=10 http://www.freemathhelp.com/distributive-property.html go to that site its a calculator for those problems :)
OpenStudy (anonymous):
-2x+4x=20 2x=20 x=10
OpenStudy (anonymous):
wolframalpha.com
OpenStudy (anonymous):
-2x=-4x+20 -2x+4x=20 x(-2+4)=20 2x=20 x=20/2 x=10
OpenStudy (anonymous):
x = 10
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