anonymous
  • anonymous
Medal Solve each system of equations by addition-subtraction, or by substitution. 3x + 2y = -4 -3x+y =7
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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Vocaloid
  • Vocaloid
hint: start by adding the two equations together
anonymous
  • anonymous
-6x + 3y=3
LynFran
  • LynFran
by adding the 2 equations note x will be eliminated

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LynFran
  • LynFran
3+(-3)=0
anonymous
  • anonymous
so its 3y= 3
anonymous
  • anonymous
y=1
LynFran
  • LynFran
yes
LynFran
  • LynFran
now sub y=1 into any of the above equations to find the value of x
anonymous
  • anonymous
u get 3x + 2 = -4
LynFran
  • LynFran
yea now take 2 frm both sides of the equation
anonymous
  • anonymous
x= -2
LynFran
  • LynFran
correct
anonymous
  • anonymous
thank you so much
LynFran
  • LynFran
welcome

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