Example

3(r+2s)=2t-4
a⋅(b-2)=3b
3(r+2s)=2t-4
a⋅(b-2)=3b

Question

$$\frac{ 4 }{ x } < 7$$

Solve for x

$x\in \left(-\infty,0\right)\cup \left(\frac{4}{7},\infty\right)$

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