anonymous
  • anonymous
Solve the systems of equations x + 3y = 32 -3x + 2y = 3 and x + y = 5 x - y = -9
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
x=32-3y pluggin this in the 2nd eq. -3(32-3y)+2y=3 -96+9y+2y=3 11y=3+96 y=99/11=9 pluggin y=9 in any of the two eq we get x=5
anonymous
  • anonymous
y=9 x=5
anonymous
  • anonymous
x = -2 y=7

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anonymous
  • anonymous
proceed the same way for the second Q... try it..its vry easy
anonymous
  • anonymous
Thanks so much for the help!
anonymous
  • anonymous
no probs
anonymous
  • anonymous
Ok i did the second problem and got y = -5 here is my work can you tell me where i went wrong? x + y = 5 x = 5- y x - y = -9 (5-y) –y = -9 -5y-y = -9 -4y = -9 y = -5
anonymous
  • anonymous
(5-y) –y = -9 check it from here (5-y) –y = -9 5-y-y=-9 the two -y add to give -2y 5-2y=9 2y=5-9 y=-4/2=-2 did you understand?
anonymous
  • anonymous
Ah I see now... i'm really terrible at math, don't know why it's so hard for me to grasp. Thanks again!
anonymous
  • anonymous
keep practicing.. thats the only way to success=)

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