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I been struggling with this question for a while now does anyone know how to do it ? :(

I been struggling with this question for a while now does anyone know how to do it-example-1
User Babken
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The answer is 5 N

You would add the opposite values.

for example: -20 n + 20 n = 0 n

-50n + 55 n = 5 n

5 N is your answer

User Jon Shemitz
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