x–4<3x+9 inequation

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x - 4 < 3*x + 9

$$x - 4 < 3 x + 9$$

x - 4 < 3*x + 9

Solving inequality on a graph

Rapid solution [src]

And(-13/2 < x, x < oo)

$$- \frac{13}{2} < x \wedge x < \infty$$

(-13/2 < x)∧(x < oo)

Rapid solution 2 [src]

(-13/2, oo)

$$x\ in\ \left(- \frac{13}{2}, \infty\right)$$

x in Interval.open(-13/2, oo)