Twice a number (x) is less than 10
2X<10, 2 times a number is less than 10
Let
x-------> the number
we know that
Twice a number (x) is less than \(10\)
so
\(2x < 10\\\\ x < \frac{10}{2} \\\\x < 5\)
the solution is the interval ------> (-∞,5)
therefore
the answer is
\(x < 5\)