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There are 4 terms
15m + 4n - 5m + 9n = 10m + 13n
Fihd
5m−3+8m =5m+−3+8m Combine Like Terms: =5m+−3+8m =(5m+8m)+(−3) =13m+(−3)
5m-12n
It is simply: 5m+2
It is simply: 5m+2
no . It Is necessary to multiply both terms . so no would be your answer.
6.25
30
The expression cannot be simplified nor is it possible to find its value without information about m and n.The expression cannot be simplified nor is it possible to find its value without information about m and n.The expression cannot be simplified nor is it possible to find its value without information about m and n.The expression cannot be simplified nor is it possible to find its value without information about m and n.
It is a variable which, in the given expression, can have any value you like.