Mathematics
Grade-7
Easy

Question

Solve -4x + 14 ≤ 54

  1. x ≥ - 10
  2. x ≤ -10
  3. x ≥ 10
  4. x ≤ 10

hintHint:

first we need to remove 14 , from -4x +14, after this we get -4x, now we need to remove -4 from -4x, so we can get x,

The correct answer is: x ≥ - 10


    negative 4 x space plus 14 space less or equal than 54
s u b t r a c t space 14 space b o t h space s i d e
minus 4 x space plus 14 space minus 14 space less or equal than space 54 space minus 14
minus 4 x space less or equal than space 40
d i v i d e d space b y space minus 4 space b o t h space s i d e comma space i t space w i l l space c h a n g e space t h e space i n e q u a l i t y space s i g n space b e c a u s e space minus 4 space i s space a space n e g a t i v e space n u m b e r
minus 4 x space cross times space fraction numerator 1 over denominator negative 4 end fraction space greater or equal than space 40 space cross times fraction numerator 1 over denominator negative 4 end fraction
x space greater or equal than space minus 10 space a n s w e r

    multiply or divide by a negative number it will change the sign of inequality

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