abbie4 abbie4
  • 22-05-2015
  • Mathematics
contestada

how do you work out 9n-2=7n+50

Respuesta :

MikeWizowski MikeWizowski
  • 22-05-2015
9n-2=7n+50
add 2 to both sides 
   9n=7n+52
subtract 7n from both sides
   2n=52
divide both sides by 2
   n=26
Answer Link
jerseymateriall jerseymateriall
  • 22-05-2015
2n - 2 = 50 <--- subtract 7n from 9n
2n = 52  <---- add 2 to 50 

n = 26 <----- divide 52 by 2 

n = 26 <----- your answer
Answer Link

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