Friday 18 September 2015

INEQUALITIES 1


Find x if 4x – 21 x + 45 6x.

Solution

4x – 21 x + 45 and  x + 45 6x

4x – x 21+ 45 and  45 6x - x

3x 66 (divide by 3 both sides) and  45 5x (divide by 5 both sides)

x 22 and  9 x

x 22 and  x 9

TRY THIS……..


Find x if 61x – 105 x + 15 2x

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