Monday, 9 August 2021

INEQUALITIES

 

If 4x + 8 7 + 3x 9x – 10; find x.

 

Solution

 

4x + 8 7 + 3x and  7 + 3x 9x - 10

 

4x – 3x 7 - 8 and  7 +10 9x - 3x

 

x -1 and  17 6x

 

x 1  and  17 6x

                    6      6

 

x 1 and  17/6 x

 

x 1 and  x  ≥ 17/6

 

TRY THIS…………….

 

 If 12x + 18 7 + 3x 9x – 29; find x


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