2. Questions Bank
  3. 8th Class
  4. Mathematics
  5. Linear Equations in One Variable

8th Class Mathematics Linear Equations in One Variable Question Bank Linear Equations in one Variable

  • question_answer
    Find x, if \[\frac{3}{x+8}=\frac{4}{6-x}\]

    A)  1                                

    B)  2              

    C)  -2

    D)  4

    Correct Answer: C

    Solution :

    (c): \[\frac{3}{x+8}=\frac{4}{6-x}\] \[\Rightarrow 18-3x=4x+32\] \[\Rightarrow -14=7x\] \[\Rightarrow x=-2.\]                              


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