Friday, 28 April 2017

INEQUALITIES 2




Find x in the following inequality. 46 – 6x ≤ 72

Solution

46 – 6x ≤ 72

46-46 – 6x ≤ 72-46    subtracting 46 on both sides.

0 – 6x ≤ 26

-6x ≤ 26

-6x ≥ 26
-6     -6

x  ≥ -13/3  The inequality sign changes because x has changed from negative to positive.

Hence x  ≥ -13/3

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

Find x in the following inequality. 56 – 7x ≤ 77

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