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12 May, 14:22

S = t + 2; 2t + s = 17

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  1. 12 May, 14:40
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    There are two equations given in the question. Also there are two unknown variables in the form of "s" and "t". I hope you want to find the exact values of the two unknown variables in the question.

    s = t + 2

    And

    2t + s = 17

    Now let us put the value of s in terms of t from the first equation in the second equation.

    Then

    2t + s = 17

    2t + t + 2 = 17

    3t = 17 - 2

    3t = 15

    t = 15/3

    = 5

    Now let us put the value of t that we have already determined, in the first equation.

    Then

    s = t + 2

    = 5 + 2

    = 7

    So the value of the unknown variable "t" is 5 and the value of the unknown variable "s" is 7.
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