Friday, 1 September 2017

INEQUALITIES 1


Find x if 5x – 21 x + 15 6x.

Solution

5x – 21 x + 15 and  x + 15 6x

5x – x 21+ 15 and  15 6x - x

4x 36 (divide by 4 both sides) and  15 5x (divide by 5 both sides)

x 9 and  3 x

x 9 and  x 3 answer

TRY THIS……..



Find x if 6x – 35 x + 15 2x.

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