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OpenStudy (anonymous):
solve by substitution mthod y=2x-5 3x+y=15
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OpenStudy (anonymous):
3x+(2x-5)=15 5x=20 x=4 so y =2x4-5=3
OpenStudy (anonymous):
3x + y = 15 3x + 2x - 5 = 15 5x = 20 x = 4 y = 3
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