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OpenStudy (anonymous):
10x - y =12.5 3x + y = 7 solve by elimination
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OpenStudy (anonymous):
add the two equations what do u get ?
OpenStudy (anonymous):
13 = 19.5 ?
OpenStudy (anonymous):
u missed the x :) so it will be 13x=19.5 , x=1.5
OpenStudy (anonymous):
sorry haha my typing skills are less than stellar! :) so now I can plug x in and find y?
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