anonymous
  • anonymous
A pair of equations is shown below: y = 7x − 8 y = 5x − 2 Part A: Explain how you will solve the pair of equations by substitution or elimination. Show all the steps and write the solution. Part B: If the two equations are graphed, at what point will the lines representing the two equations intersect? Explain your answer.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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princeharryyy
  • princeharryyy
7x - 8 = 5x -2 7x -5x-8 = 5x -5x -2 2x-8 = -2 2x-8+2 = -2+2 2x-6 = 0 x =3, y = 7*3 -8 = 13
princeharryyy
  • princeharryyy
u can solve the second one by urself. I guess!
anonymous
  • anonymous
ummmmmm

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anonymous
  • anonymous
can u guys just be nice?
anonymous
  • anonymous
what? @SilverStream
anonymous
  • anonymous
rlly u can help everyone with what they need help with not just cha cha cha
anonymous
  • anonymous
^^? okay then, umm back to what you were saying, how do i know which is substitution or elimination? @princeharryyy
princeharryyy
  • princeharryyy
try thinking you will get it by yourself else you can return back to me.
anonymous
  • anonymous
i literally have no idea..
princeharryyy
  • princeharryyy
ohk here it is literally.
princeharryyy
  • princeharryyy
y = 7x-8 being put in equation 2 from equation one means substitution
princeharryyy
  • princeharryyy
when we reduce the equation to find value what I did with x is elimination and when i found the value of x and again put it in equation 1 to find y that's sustitution
princeharryyy
  • princeharryyy
substitution literally means to replace according to the dictionary definition. @paytoncobain I hope you got it.

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