Algebra

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X-2y=-1
2x+y=4

solve each system using elimination. Tell whether the system has one solution, many solutions, or no solution.

  • Algebra -

    2x+y = 4

    Multiply first equation by 2.

    2x - 4y = -2

    Subtract first equation from second.

    5y = 6

    y = 6/5 = 1.2

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