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Solve the system of equations algebraically. Show all your steps.

y=x^2+2x
y=3x+20

Can someone pease help me? I don't think I'm right.
Would it be x=-4, y=8
Then, x=5,y=35??

  • math -

    can you not check your answers?
    (-4,8) works
    (5,35) works

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