Tuesday 4 March 2014

INEQUALITIES C4

Find x if 4x – 12 x + 15 6x + 6

Solution

4x – 12 x + 15 and  x + 15 6x -10

4x – x 12+ 15 and  15 + 10 6x - x

3x 27(divide by 3 both sides) and  25 5x (divide by5 both sides)

x 9 and  5 x


x 9 and  x

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