ceofaith
ceofaith ceofaith
  • 02-05-2017
  • Mathematics
contestada

Eight less than the product of 7 and a number is 3. Use the variable w for the unknown number

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jsg jsg
  • 02-05-2017
w = unknown number
7w - 8 = 3    (product of 7 and a number, w, subtract 8) is 3
7w = 11
w = 11/7


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unknown54321
unknown54321 unknown54321
  • 02-05-2017
you could represent this using an algebraic equation such as
(7 x W)-8=3    then we could isolate w by adding 8 to both sides and then dividing by 7, which simplifies to W=11/7 or W= 1 4/7 
  
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