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

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asked Oct 6, 2018 147k views

1 Answer

Sababoni · Answer 1 · 2018-10-11T05:02:59+0000

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

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

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