Certainly! Let's solve the expression [tex]\(15(x - y)\)[/tex] step-by-step when [tex]\(x = 9\)[/tex] and [tex]\(y = 20\)[/tex].
1. Identify the values of [tex]\(x\)[/tex] and [tex]\(y\)[/tex]:
- [tex]\(x = 9\)[/tex]
- [tex]\(y = 20\)[/tex]
2. Substitute these values into the expression [tex]\(15(x - y)\)[/tex]:
[tex]\[
15(9 - 20)
\][/tex]
3. Calculate the difference inside the parentheses:
[tex]\[
9 - 20 = -11
\][/tex]
4. Now, multiply 15 by the result of the difference:
[tex]\[
15 \times (-11) = -165
\][/tex]
Therefore, the value of the expression [tex]\(15(x - y)\)[/tex] when [tex]\(x = 9\)[/tex] and [tex]\(y = 20\)[/tex] is [tex]\(-165\)[/tex].