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OpenStudy (anonymous):
simplify the following expression 3x-4y+3z-3x-y+2z
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OpenStudy (uri):
3x-3x-4y-y+3z+2z Can you do it now?
OpenStudy (anonymous):
would it be 6x-5y+5z?
OpenStudy (uri):
Nah +3x-3x will be cancelled.
OpenStudy (anonymous):
hmmm confused haha sorry
OpenStudy (uri):
When we have +x and -x it is cancelled So, -5y+5z is the answer.
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OpenStudy (anonymous):
so +x and -x cancel?
OpenStudy (anonymous):
oh thanks :)
OpenStudy (uri):
Yes :)
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