kantzcoreyckantz99 kantzcoreyckantz99

05-06-2017
Mathematics

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What is the solution of 3x + y = 9 and 3x − 5y = 15?

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johnk12 johnk12

05-06-2017

3x+y=9.....i
3x-5y=15...ii
subtracting ii from i we get
6y=-6 so y=-1
x=10/3

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