211k views
5 votes
7-n+(7.9)×24n-54+45=

2 Answers

6 votes

Answer:


188.6n-2

Explanation:

Use PEMDAS. Simplify multiplication:


7.9*24n=189.6n\\\\7-n+189.6n-54+45

Collect like terms:


(7-54+45)+(-n+189.6n)

Simplify first parenthesis:


7-54=-47\\\\-47+45=-2\\\\-2+(-n+189.6n)

Simplify second:


-1n+189.6n=188.6n\\\\-2+188.6n

Reorganize:


188.6n-2

:Done

User Pierina
by
5.7k points
6 votes

Answer:

yes

Explanation:

User Razvan Socol
by
5.4k points