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OpenStudy (anonymous):
5x-3x-9=5x does x=12 or x=-3
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OpenStudy (anonymous):
Add -5x to each side. -3x-9 = 0 x = -3
OpenStudy (madhu.mukherjee.946):
x = -3
OpenStudy (anonymous):
5x−3x−9=5x Simplify 5x−3x−9=5x 5x+−3x+−9=5x (5x+−3x)+(−9)=5x(Combine Like Terms) 2x+−9=5x 2x−9=5x Subtract 5x from both sides. 2x−9−5x=5x−5x −3x−9=0 Add 9 to both sides. −3x−9+9=0+9 −3x=9 Divide both sides by -3. −3x/−3 = 9/−3 x=−3
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