Answer:
176
Step-by-step explanation:
try it on
https://www.wolframalpha.com it will helpp you for the math problem :)
I don’t understand your question
Step-by-step explanation:
So what you can do is first get ride of the parentheses around 5-m so:

Then, you can simplify the numbers inside the parentheses, so:

Then, you can get rid of the parentheses by distributing the - sign:

Next, just combine like terms:
or 
Babushka babushka babushka