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19⋅b+20<18⋅b−9 inequation

A inequation with variable

The solution

You have entered [src]
19*b + 20 < 18*b - 9
$$19 b + 20 < 18 b - 9$$
19*b + 20 < 18*b - 9
Rapid solution 2 [src]
(-oo, -29)
$$x\ in\ \left(-\infty, -29\right)$$
x in Interval.open(-oo, -29)
Rapid solution [src]
And(-oo < b, b < -29)
$$-\infty < b \wedge b < -29$$
(-oo < b)∧(b < -29)