aviannaoverever
aviannaoverever aviannaoverever
  • 03-12-2014
  • Mathematics
Answered

write an equation to represent the relationship a number decreased by 12 is equal to 9 then solve the equation

Answer :

tknaub
tknaub tknaub
  • 03-12-2014

x-12=9  this is how you would set up this equation then solve for x which would be 21 because 21-12=9. 
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