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3x+4=40

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3x+4=40

    • Posted by Sanvi Yadav 2 years, 2 months ago

    CBSE > Class 07 > Mathematics
    • 5 answers

    Reshu Chawla 2 years, 2 months ago

    12

    1Thank You

    Harnoor Kaur Dhillon 2 years, 2 months ago

    1. Lets take x = 11 3 × 11 + 4 =40 37≠40 2. Lets take × = 12 3 × 12 + 4 =40 40=40 Hence,x = 12

    1Thank You

    Dhawal Dhanorkar 2 years, 2 months ago

    x= 36/3

    1Thank You

    Manith Kapoor 2 years, 2 months ago

    12

    1Thank You

    Vaishnavi Xoxo 2 years, 2 months ago

    3x+4=40 How to solve it - Simple trick make variable alone so--- Step1: we move 4 to the other side of equals to equation will be 3x= 40 - 4, 3x=36 (4 is positive by changing position it will be negative ) Step2: now we move 3 to the other side of equals to and the variable will be alone. equation will be x= 36/3 , x= 12 ( 3 is in multiply by changing position it will be divided )

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