To add a negative and a positive I usually just subtract them so ex: -5+4=-1
and to subtract them I add the numbers together so -5-4=-9 so its basically the opposite
Answer:
−45n+55
Step-by-step explanation:
10-5(9n-9)
distribute -5 into (9n-9)
10-45n+45
combine like terms
10+45=55
-45n+55
hope this helps
Answer:
25%
Step-by-step explanation:
Answer: 13 13/15
Step-by-step explanation: