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OpenStudy (anonymous):
is (-3,4) a solution of 3x-7y=16?
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jimthompson5910 (jim_thompson5910):
3x-7y=16 3(-3)-7(4)=16 -9-28=16 -37=16 ... which is false So (-3,4) is NOT a solution to 3x-7y=16
OpenStudy (anonymous):
aaahhhh I see thanks :D
OpenStudy (anonymous):
substitute the given value of x and y to the equation..and if its not equal with the constant term..it is not the value of x and y..
jimthompson5910 (jim_thompson5910):
yep, just plug in the corresponding values, evaluate/simplify and see if the final equation is true or not
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