Kassidi224
Kassidi224 Kassidi224
  • 13-01-2017
  • Mathematics
contestada

Four times the difference of a number and 7 is 12.

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Krazy1111
Krazy1111 Krazy1111
  • 13-01-2017
you will set up problem like this
4(x-7)=12. 
Then you would distribute: 
4x-28=12 
add 28 to both sides to get 4x=40 then divide both sides by 4 to get x=10.

hope this helps
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