Pre-Algebra

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If negative 20 equals 168, negative 15 equals 153, negative 10 equals 138, negative 5 equals 123, 0 equals 108, 5 equals 93, 10 equals 78, 15 equals 63, 20 equals 48, then what is the rule???


Also, what is the pattern in the informatio above???

  • Pre-Algebra -

    the rule is subtract 15

  • Pre-Algebra -

    I mean like the equaled number is the y and the negative or positive numbers are the x...wat do I do with X to get to y???

  • Pre-Algebra -

    the rule is subtract 15 (from every 5)

  • Pre-Algebra -

    klkl

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