anonymous
  • anonymous
To solve the system of equations below, Grace isolated the variable y in the first equation and then substituted into the second equation. What was the resulting equation?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
http://media.apexlearning.com/Images/201011/29/8440faac-a63d-4ac4-a34d-e4cc0068f129.gif
anonymous
  • anonymous
@PRAETORIAN.10 @Loser66
anonymous
  • anonymous
y = (12x)/3 y = 4x (value of y from equation 1) substitute it in equation 2 you'll get value of x

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anonymous
  • anonymous
im confused
anonymous
  • anonymous
why its so simple? type out what exactly confuses you?
anonymous
  • anonymous
dont you have to single out the x?
anonymous
  • anonymous
you have two equations k? I took value of x from equation 1 (3y = 12x)
anonymous
  • anonymous
thats not how substitution method works... you have to get value of x or y from anyone of the two equations and substitute in the other one.
anonymous
  • anonymous
hmmm
anonymous
  • anonymous
try it out yourself and post your work here I'll help you correct it k?
anonymous
  • anonymous
how do i do that
anonymous
  • anonymous
http://www.purplemath.com/modules/systlin4.htm see this example it is self explanatory... You have to try it yourself in order to learn it
anonymous
  • anonymous
i got it
anonymous
  • anonymous
awesome dude !

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