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720 = N + 315 + 240 what is it

User Rudrik
by
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1 Answer

5 votes

Answer:

Note: N is represented by n instead.

Explanation:


720 = n + 315 + 240

Add the numbers


720 = n + 555

Move the variable to the left-hand side and change its sign


- n + 720 = 555

Collect like terms


- n = 555 - 720

Calculate the difference

-N= - 165

N= 165

Hope this helps

User Rafid
by
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