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OpenStudy (anonymous):
Find the solution set for the following system: 3x + 4y = 7 6x - 4y = 5
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hero (hero):
Hint: Add the equations
hero (hero):
(3x + 6x) + (4y - 4y) = (7+5)
hero (hero):
9x + 0 = 12 9x = 12 x = 12/9 x = 4/3 y = 3/4 (after subbing x back in)
OpenStudy (anonymous):
then the solution set it (4/3),(3/4)??
hero (hero):
(x,y) = (4/3, 3/4)
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OpenStudy (anonymous):
thank you :))
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