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jim_thompson5910
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40n means 40 times n
you want to isolate 'n'
so you have to undo the multiplication by 40, which means you must divide both sides by 40

Selena2345
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How

jim_thompson5910
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40n/40 = 1n or just n
so on the left side, 40n turns into just 'n'

jim_thompson5910
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you must do the same to both sides, so divide 8 by 40 and reduce

jim_thompson5910
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n = ???

Selena2345
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Can You Show Me Jim how to solve it

jim_thompson5910
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8/40, what does that reduce to?

Selena2345
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1/5

jim_thompson5910
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good, so n = 1/5

Selena2345
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Can You Show me how you will solve it

jim_thompson5910
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40n = 8
40n/40 = 8/40
1n = 8/40
n = 1/5
This is basically what we did, just all in one place

Selena2345
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Thank You Jim


Selena2345
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Jim Can you help me with a different problem