Answer:
10n-13
Step-by-step explanation:
n is positive and 9n is positive so you add 9n and n
9n+n=10n
10 is negative and so is 3 so you do negative 10 minus 3
-10-3=-13
10n-13
Step-by-step explanation:
hope this helps you dear friend.
Answer:799
Step-by-step explanation: all you have to do is add all the the numbers up and you’ll get 799
Answer:
-3
Step-by-step explanation:
-5(2x+1)=25
-10x-5=25
-10x=25+5
-10x=30
x=-3