Selena2345
  • Selena2345
40n=-8
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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jim_thompson5910
  • jim_thompson5910
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
  • Selena2345
How
jim_thompson5910
  • jim_thompson5910
40n/40 = 1n or just n so on the left side, 40n turns into just 'n'

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jim_thompson5910
  • jim_thompson5910
you must do the same to both sides, so divide -8 by 40 and reduce
jim_thompson5910
  • jim_thompson5910
n = ???
Selena2345
  • Selena2345
Can You Show Me Jim how to solve it
jim_thompson5910
  • jim_thompson5910
-8/40, what does that reduce to?
Selena2345
  • Selena2345
-1/5
jim_thompson5910
  • jim_thompson5910
good, so n = -1/5
Selena2345
  • Selena2345
Can You Show me how you will solve it
jim_thompson5910
  • jim_thompson5910
40n = -8 40n/40 = -8/40 1n = -8/40 n = -1/5 This is basically what we did, just all in one place
Selena2345
  • Selena2345
Thank You Jim
jim_thompson5910
  • jim_thompson5910
np
Selena2345
  • Selena2345
Jim Can you help me with a different problem

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