## Precalculus: Mathematics for Calculus, 7th Edition

The solution is $\Big(-\infty,\dfrac{5}{2}\Big)$
$0\lt5-2x$ Take $-2x$ to the left side of the inequality: $2x\lt5$ Take the $2$ to divide the right side: $x\lt\dfrac{5}{2}$ Express using interval notation: The solution is $\Big(-\infty,\dfrac{5}{2}\Big)$