Tuesday 30 September 2014

INEQUALITIES



If 10x – 3 x + 15 6x ; find x

Solution

10x – 3 x + 15 and  x + 15 6x

10x – x 3+ 15 and  15 6x - x

9x 18(divide by 9 both sides) and  15 5x (divide by 5 both sides)

x 2 and  3 x


x 2 and  x

TRY THIS...........

If 10x – 3  x + 36  13x ;  find x



No comments:

Post a Comment