Friday 28 February 2014

INEQUALITIES C1

2x – 3 x + 15 6x

Solution

2x – 3 x + 15 and  x + 15 6x

2x – x 3+ 15 and  15 6x - x

x 18 and  15 5x (divide by5 both sides)

x 18 and  3 x


x 18 and  x 3  answer

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