Mathematics
Grade-7
Easy

Question

Solve the inequality.
-12x < 60

  1. x < -5
  2. x > -5
  3. x < -720
  4. x > -720

hintHint:

we have to remove -12 from -12x , so we should multiply by fraction numerator negative 1 over denominator 12 end fraction both side

The correct answer is: x > -5


    negative 12 x less than 60
m u l t i p l y space b y space fraction numerator negative 1 over denominator 12 space end fraction space space b o t h space s i d e 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 space b e c a u s e space o f space m u l t i p l y space b y space n e g a t i v e space n u m b e r space space fraction numerator negative 1 over denominator 12 space end fraction
minus 12 x space cross times space fraction numerator negative 1 over denominator 12 end fraction space greater than space 60 space cross times fraction numerator negative 1 over denominator 12 end fraction space
x greater than negative 5

    inequality sign will change by multiply by negative number

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