anonymous
  • anonymous
Systems Using Substitution 3x + 2y = 20 y = x + 4
Mathematics
chestercat
  • chestercat
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anonymous
  • anonymous
look at your previous post of the same question
anonymous
  • anonymous
solve the first equation for x then substitute that x in for the x in the second equation in the second equation you are solving for y
anonymous
  • anonymous
after you find y go back to your first equation and plug in your y and solve for x

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anonymous
  • anonymous
y = x+4 so u but that in place of y so you have 3x 2(x+4)=20 then simply solve for x
anonymous
  • anonymous
afs os simpler
anonymous
  • anonymous
correction i left out a plus 3x+2(x+4)=20 solve for x then plug in to other one and u will get y

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