Question

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

Answer 1

X would be 0 while Y would be 4

  3x+y=4
  -(2x+y=4)
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x=0

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

3(0)+y=4

0 + y = 4

y = 4