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Pair of Linear Equations in Two Variables Test - 10

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Pair of Linear Equations in Two Variables Test - 10
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    The solution of 3x – 5y = – 16 and 2x + 5y = 31

    Solution

    Given: 3x – 5y = – 16 ……….(i)
    And 2x + 5y = 31 ……….(ii)
    Adding eq. (i) and (ii), we get 5x = 15 ⇒ x = 3
    Putting the value of x in eq. (ii), we get
    2 (3) + 5y = 31 ⇒5y = 31 – 6⇒ y = 5​​​​​

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