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OpenStudy (anonymous):
i have to find x for this question is it right abc=cbd 3x-30=x+10 +30 +30 3x=x+40 -x -x 2x=40 x=20
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OpenStudy (anonymous):
yep good job!
OpenStudy (anonymous):
wicked :D
OpenStudy (anonymous):
To double check you could just plug in the number the you got for x :)
OpenStudy (anonymous):
3(20) -30 = 20 + 10 First multiply 2 x 20 60 - 30 = 30 Then subtract 60 - 30 30 = 30 So you were right! ;)
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