usernamee16
usernamee16 usernamee16
  • 25-01-2018
  • Mathematics
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what is the y-coordinate of the solution of the system of equations ?

what is the ycoordinate of the solution of the system of equations class=

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choixongdong
choixongdong choixongdong
  • 25-01-2018
y = 2x + 14 (1st)
-4x - y = 4  
y = -4x - 4 (2nd)

so
2x + 14 = -4x - 4
6x = -18
  x = -3

y = 2x + 14  = y = 2(-3) + 14  = 8

answer y = 8

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