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MathematicsMathematics
29 February, 18:45

Solve using linear combination

4x+y=5

3x+y=3

+2
Answers (2)
  1. 29 February, 18:54
    0
    X = 2, y = - 3

    You have to multiply the second equation by a negative and the you'll get, - 3x-y=-3. the y's cancel out and then you combine the x's and the 5 and the 3 and then x=2 and then you pick one of the two equations and sub in the x and solve for y.
  2. 29 February, 19:09
    0
    X=2 y=3

    think this could be it not 100% tough sorry
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