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Mathematics 17 Online
OpenStudy (anonymous):

solve

OpenStudy (anonymous):

OpenStudy (anonymous):

x = John's # of songs uploaded y = John's # of pictures uploaded x + y = 11 4x + 2y = 24 multiply both sides of equation by 2 and subtract it from second equation -> 2x = 2 -> x = 1 Therefore, John uploaded 1 song. Answer is A.

OpenStudy (anonymous):

thank you!

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