The sum of 2 times x and 5 times y is 7

Discussion in 'Calculator Requests' started by math_celebrity, Jan 23, 2021.

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  1. math_celebrity

    math_celebrity Administrator Staff Member

    The sum of 2 times x and 5 times y is 7

    2 times x:
    2x

    5 times y:
    5y

    The sum of 2 times x and 5 times y:
    2x + 5y

    The word is means equal to, so we set 2x + 5y equal to 7:
    2x + 5y = 7
     
    math_celebrity, Jan 23, 2021
    #1

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