daysa daysa
  • 23-08-2017
  • Mathematics
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Can somebody please help.. I have a test tomorrow and im trying to pass it

Can somebody please help I have a test tomorrow and im trying to pass it class=

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trishinada63
trishinada63 trishinada63
  • 23-08-2017
For 7., you have to add 3 to both sides to cancel out like terms, so you'll end up with:
x/8=10
Then cross multiply, you'll get x=80.
For 9., add 2n to both sides and subtract 2 from both sides to get 39=3n. Divide both sides by 3 to get n= 13. Hope this helps!
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