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3(5z-7)-2(9z-11)=4(8z-13)

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3(5z-7)-2(9z-11)=4(8z-13)

    • Posted by Anitha S 6 years, 6 months ago

    CBSE > Class 08 > Mathematics
    • 1 answers

    Yogita Ingle 6 years, 6 months ago

    3(5z-7)-2(9z-11) = 4(8z-13)
     15z - 21 - 18z + 22 = 32z - 52
    -3z + 1 = 32z - 52
    32z + 3z = 1 + 52
    35z = 53
    z = 53/35

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