Mathematics

Question

Solve the system of equations.
2x-y=5
3x+2y=4

A.) (3,1)
B.) (0,2)
C.) (2,-1)
D.) (9/7,17/7)

1 Answer

  • 2x - y = 5 also equals 4x - 2y = 10

      4x-2y=10
    +3x+2y=4
      7x = 14
      x = 2

    2(2) - y = 5
    -y = 1
    y = -1

    so, B. (2,-1)

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