Seudónimo Seudónimo
  • 21-04-2017
  • Mathematics
contestada

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

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dianetran10
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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