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OpenStudy (anonymous):
Solve the following system. y = x + 3 2x + y = 9
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OpenStudy (anonymous):
2x+x+3=9 put value of y here. 3x=6 x=2 y=2+3=5
OpenStudy (hoblos):
replace the first equation in the second 2x + x+3 = 9 3x = 6 x=2 y=x+3=2+3=5
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