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Solve the linear equations by substitution …

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Solve the linear equations by substitution method x+y=14 ; x-y=4

    • Posted by Janitha Janitha 1 year, 5 months ago

    CBSE > Class 10 > Mathematics
    • 2 answers

    Khwahis Parveen 1 year, 5 months ago

    x+y=14 …(i) x-y=4 …(ii) x=4+y …(iii) Now substituting the value of x in equation (i) x+y=14 4+y+y=14 4+2y=14 2y=14-4 2y=10 y=5 Now put the value of y in equation (iii) x=4+y x=4+5 x=9 Answer:- the value of y=5 and x=9

    0Thank You

    Harsh Kumar 1 year, 5 months ago

    x = 14 - y Put ↑ in x-y = 4 ... 14 -y-y = 4 → 14 -2y = 4 → -2y = 4-14 → - 2y = -10 → y = -10/-2 Therefore,y = 5 And x = 9

    1Thank You

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