Math, asked by awadhesh01973, 1 day ago

Add:
7mn + 5, 12mn +2.9mn-8. - 2mn - 3

Answers

Answered by tejwanichitra4

0

Answer:

(−7mn+5)+(12mn+2)+(9mn−8)+(−2mn−3)

=−7mn+5+12mn+2+9mn−8−2mn−3

=12mn−4

Answered by kwinaqueen

0

Answer:

47

Step-by-step explanation:

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