Let's solve the problem step by step:
1. We are given the equation \( t = u + v \), which shows that \( t \) is the sum of \( u \) and \( v \).
2. We are provided with the specific values for \( u \) and \( v \):
- \( u = 9 \)
- \( v = 10 \)
3. Substitute the given values of \( u \) and \( v \) into the equation \( t = u + v \):
[tex]\[
t = 9 + 10
\][/tex]
4. Perform the addition:
[tex]\[
9 + 10 = 19
\][/tex]
Therefore, the value of [tex]\( t \)[/tex] is [tex]\( 19 \)[/tex]. The property demonstrated here is simply the addition of two numbers.
