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21-04-2017
Mathematics

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Solve, using linear combination.
3x + y = 4
2x + y = 4

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dianetran10 dianetran10

22-04-2017

X would be 0 while Y would be 4

3x+y=4
-(2x+y=4)
----------------
x=0

Plug in x to any of those two equations in their original form

3(0)+y=4

0 + y = 4

y = 4

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