anonymous
  • anonymous
the sum of three numbers is 12 the first number is twice the sum of the second and third. the third number is 5 less the first.?
Algebra
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
Let the three numbers be x,y and z. x+y+z=12.......(1) x=2(y+z)..........(2) z=x-5..............(3) solve these three equations and get the values of x , y and z
anonymous
  • anonymous
thanks nitz.
anonymous
  • anonymous
u are welcome......

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anonymous
  • anonymous
nitz, but what if the answer choices dont have x, y in them there numbers
anonymous
  • anonymous
what are the choices.........?
anonymous
  • anonymous
3,6,3 8,1,3 4,1,1 9,1,4
anonymous
  • anonymous
its B 8,1,3
anonymous
  • anonymous
thanks nitz :) you rock
anonymous
  • anonymous
ANY other question....
anonymous
  • anonymous
yess how do you evaluate the determing by using diagonals?
anonymous
  • anonymous
-1,2,2 4,-1,1 3,2,2
anonymous
  • anonymous
sorry i didnt get ur question...........
anonymous
  • anonymous
evaluate the determinate by using diagonals
anonymous
  • anonymous
do you get it ?

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