Q5 of 32 Page 107

Solve for x, the inequalities in -5 less than equal to 2-3x/4 less than equal to 9

Given,



Multiplication by 4, we get


⇒ -20 ≤ 2 – 3x ≤ 36


Adding -2 each side,


⇒ -22 ≤ -3x ≤ 34


Divide by 3, we get



Multiplication by -1, we get



[Multiplication by -1 inverts the inequality]


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