3≥x-4/2+ x/3≥2... find the value of x
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Given inequation,
−2≤
2
1
−
3
2x
≤1
6
5
,x∈N
⇒−2−
2
1
≤
2
1
−
3
2x
−
2
1
≤
6
11
−
2
1
⇒−
2
5
≤−
3
2x
≤
6
8
⇒−
2
5
≤−
3
2x
and −
3
2x
≤
6
8
⇒−15≤−4x and −2x≤4
⇒15≥4x and 2x≥−4
⇒
4
15
≥x and x≥−2
⇒3.75≥x and x≥−2
Hence, the solution set is {x∈N:−2≤x≤3.75}
And as x∈N, the values of x are 1,2,3
The required graph of the solution on the number line is shown in figure.
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