Hey there! I'm happy to help!
This is the distributive property. You multiply something outside the parentheses by each term inside. 7(-1)=-7 and 7(9)=63, so -7+63.
Have a wonderful day! :D
Answer:
29
Step-by-step explanation:
Since you have a total of 88, you subtract 59 from 88 which gives yoou 29.