Mathematics

Question

Which ordered pair is a solution of the system of equations?

y=3x+1

y=5x-3


A.(0,1)


B.(2,3)


C.(2,7)


D.(1,2)

1 Answer

  • {y=3x+1 |*5
    {y=5x-3 |*(-3)

    {5y=15x+5
    {-3y=-15x+9
    +___________
    2y=14

    {y=7
    {7=3x+1

    {3x=6
    {y=7

    {x=2
    {y=7

    The answer: C

    :)

NEWS TODAY