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Question

​given 20-5x<5(x+8) find the smallest value of x when, 1.)x∈ INTEGER 2.)X∈WHOLE NUMBER 3.) X∈R​

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Solution

Hi,
20-5x<5x+40 20-40<5x+5x10x>-20 x>-2 now 1) xI so x -2, all integers value , -1,0,1,2,........2) xwhole number x [0,)3) xRthen x-2,

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