Mathematics
Grade-7
Easy

Question

-4x > 64

  1. x > -16
  2. x < -16
  3. x > 16
  4. x < 16

hintHint:

we have to remove -4 from -4x so we have to multiply by fraction numerator negative 1 over denominator 4 end fraction both side

The correct answer is: x > -16


    negative 4 x space greater than space 64
m u l t i p l y space b y space fraction numerator negative 1 over denominator 4 end fraction space b o t h space s i d e
fraction numerator negative 1 over denominator 4 end fraction space i t space i s space n e g a t i v e space s o space i n e q u a l i t y space s i g n space w i l l space c h a n g e
minus 4 x space cross times space fraction numerator negative 1 over denominator 4 end fraction space less than space 64 cross times fraction numerator negative 1 over denominator 4 end fraction
x space less than negative 16

    here inequality sign will change because we are multiplying by a negative number fraction numerator negative 1 over denominator 4 end fraction

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