Tuesday 8 December 2015

INEQUALITIES - 1


If 3x – 1  x + 5  3x; find x

solution

3x – 1  x + 5 and  x + 5  3x

3x – x  1+ 5 and  5  3x - x

2x  6(divide by 5 both sides) and  5  2x (divide by 2 both sides)

x  3 and  5/2  x


x  3 and  x  5/2 

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


If 14x – 105  x + 25  6x; find x

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