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Deepak Bora
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The larger of the two supplementary angles exceeds the smaller by 18 find them.

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An Important question based on Linear Equations in two Variables Chapter of R.S Aggarwal book for ICSE & CBSE Board.
Here the larger of the two supplementary angles exceeds the smaller by which number is given.
you have to find them.
This is the Question Number 56 Exercise 3E of RS Aggarwal Solution.

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  1. let the two angle be /x and /y
    according to given condition-
    /x+/y = 180 —-(1)
    /x = /y + 18 —–(2)
    substituting the value of (2) in (1)
    (1) – /x+/y = 180
    – (/y+18)+/y = 180
    – 2/y+ 18 = 180
    -2/y = 162
    -/y= 81
    substituting the value of y in (2)
    /x=/y+18
    /x=81+18
    /x=99

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