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OpenStudy (anonymous):
Is (2, -1) a solution to the system of equations? 2x + 3y = 1 x - y = -3
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OpenStudy (dobby1):
I just want to welcome you to openstudy. we OpenStudiers will usually do everything we can to answer you question
OpenStudy (dobby1):
unfortunatly I am not very good at this kind of math but I will help you find someone who can
OpenStudy (dobby1):
@phi @SolomonZelman
OpenStudy (phi):
Is (2, -1) a solution ? First, what is 2 - (-1) ?
OpenStudy (anonymous):
they are asking if ( 2, -1 ) is the solution to 2x + 3= 1 x - y = -3
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OpenStudy (phi):
yes, and I asked what is 2 - (-1) ?
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