-3 - 4 - 7x2- 18- Find all the values of x-

[ 3 ≤ 4 7x2≤ 18; 3 4 ≤ #160; 7x2≤ 18 4; 7 ≤ #160; 7x2≤ 14; 1 ≤ #160; x2≤ 2; ...

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Equality of Matrices

-3 ≤ 4 - 7x2≤...

Question

$- 3 \leq 4 - \frac{7 x}{2} \leq 18$ . Find all the values of $x .$

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Solution

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