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OpenStudy (anonymous):
how to find values for x and y in x+y=14 but x-y=2
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OpenStudy (kl0723):
if it is a system then: x+y=14 x-y=2... positive y cancel with negative y... x=16... plug in x value in first eq and get (16)+y=14... y=14+16=30.
OpenStudy (anonymous):
Thanks ^^^
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