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Algebra 1

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Solve the system by addition.
10x+3y=4
-20x-6y=-8

  • Algebra 1 -

    divide the 2nd by -2 to get
    10x + 3y = 4
    which is the same as the 1st equation, so there is an infinite number of solutions
    (You are basically given twice the same line)

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