Math, asked by gireesha30, 6 months ago

The value of the expression 7n+5 at n=3

Please answer it fast

Answers

Answered by soupano085123

1

Answer:

Hence the correct answer is 3m−4n−3mn−3.

Step-by-step explanation:

(5m−7n)+(3n−4m+2)+(2m−3mn−5)

=5m−7n+3n−4m+2+2m−3mn−5

=3m−4n−3mn−3

Hence the correct answer is 3m−4n−3mn−3.

Answered by SHUBHRAJEET

0

Answer:

26 is answer

Step-by-step explanation:

7n+5

n=3

so(7*3)+5

21+5=26

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