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anonymous

  • 4 years ago

The three Math Idol judges have been eliminating contestants all day! The number of one-step equations and two-step equations who have been eliminated today is equal to 840! If three times the number of one-step equations minus twice the number of two-step equations is equal to 870, how many one-step equations auditioned today? Answer 520 330 660 510

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  1. NotTim
    • 4 years ago
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    First, make an equation.

  2. NotTim
    • 4 years ago
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    With the given information.

  3. anonymous
    • 4 years ago
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    So your equations are \[3x-2y=87 and x+y=840\]

  4. anonymous
    • 4 years ago
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    sorry the first is equal to 870 not 87

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