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OpenStudy (anonymous):
can anyone solve this. 3x=x+20? answer please..
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OpenStudy (anonymous):
x =10
OpenStudy (anonymous):
x=-2, unless its not a 0 at the end.
OpenStudy (anonymous):
show me the solution
OpenStudy (anonymous):
3x=x+20 subtract x on both sides 3x-x = x+20-x 2x = 20 divide by 2 on both sides x =10
OpenStudy (anonymous):
checking? i dunno how to check the answer
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OpenStudy (anonymous):
plug in 10 where ever you see x and see if LHS = RHS
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