Question

Add 3mn, -5mn, 8mn, -4mn
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Class 7th​

Answer 1

Hêy Fríèñd...

Here is the Solution...

= 3mn + (-5mn) + 8mn + (-4mn)

= 3mn - 5mn + 8mn - 4mn

= 3mn + 8mn - 5mn - 4mn

= 11mn - 9mn

= 2mn

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Ans.= 2mn

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I Hope This Will Help You ◉‿◉

Answer 2

Answer:

Step-by-step explanation:

We are given with ,

3mn,-5mn,8mn,-4mn

Now,

Bringing like terms together I.e add first then subtract

=> 3mn+8mn-5mn-4mn

=>11mn-9mn

=>2mn

(-) + (-) = + operation only.

Then subtract again.