Sunday 30 June 2013

INEQUALITIES - 2


Find x in the following inequality 2x+50 ≤ 72

Solution

2x+50 ≤ 72

2x ≤ 72 – 50

2x≤ 22

2x  ≤  22
2         2

x ≤ 11


Hence x ≤ 11

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