\bcancel{5}
The command \bcancel{5} is used in LaTeX to draw a diagonal line (cancel) through the number 5, indicating that it is being removed or negated in some way. This is often used in mathematical annotations to show that a term is being canceled out or is no longer considered in the equation or expression.
Canceling out the number 5 in an equation.
\bcancel{5} + 3 = 3
Canceling the 5 in the numerator and denominator.
\frac{\bcancel{5}x}{5} = x
Indicating that 5 is canceled and does not contribute to the product.
\bcancel{5} \times 2 = 0