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Question
Submitted by marahl on Mon, 2013-05-27 18:22
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answered 2 time(s)
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x + y = 3 2x + 5y = 12

x + y = 3 2x + 5y = 12

Answer
Submitted by mathsexpert on Tue, 2013-05-28 00:02
teacher rated 5 times
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price: $2.00

complete solutions

body preview (102 words)

  x x x = 3    ----------   xxx

 2x + xx = xx  xxxxxxxxx   xxx

  from (1)   x  x = 3 x y  

   xxxxxxxxxx x = 3 x x xx xxx

  xxx - y) x 5y x xx

  x x 2y x 5y x 12   ,  xxxx xxxxxxxxxxx

    3y x xx - x  ,  combine 5y & - 2y   and subtract x xxxx both xxxxx

   xx x 6

    x x 6/3 x x

  x = 3 - y = x - 2 x x

  xxxxxx   x x x  , y x  2


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Answer
Submitted by Homework-Helper on Tue, 2013-05-28 15:59
teacher rated 0 times
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price: $0.25

100% Correct solution

body preview (59 words)

X + Y = 3

xx + 5Y x 12

 

xxxxxxxxxxxxxx + x x 3)x5= 5X+5Y=15------

xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx x xx = 12)x(-1)= xxxxxxxxxxxxxxx

 

-------------------------------5X+5Y=15-----

---------------------------------------+(-2X-5Y=-12)------

 

------------------------------------------3X=3  xxxxxx

 

           

xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxX=1----------------------------------------------------

 

x + Y = x

1 + Y x 3------

xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx

 

 


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