Addition involves taking the sum of numbers or expressions.
Your friend's claim that the addition fact could be used is correct
The addition fact is given as:
[tex]4 + 7 = 11[/tex]
The expression is given as
[tex]11 - 3[/tex]
Substitute 4 + 7 for 11 in the above expression
[tex]11 - 3 = 4 + 7 - 3[/tex]
Subtract 3 from 7
[tex]11 - 3 = 4 + 4[/tex]
Add 4 and 4
[tex]11 - 3 = 8[/tex]
Using the addition fact, we were able to solve for 11 - 3
Hence, your friend's claim is correct
Read more about addition at:
https://brainly.com/question/900106
