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Anonymous Anonymous
  • 23-01-2017
  • Mathematics
Answered

What is the y-coordinate of the solution for the system of equations?


{x−y=12

{27+3y=2x


Enter your answer in the box.

y =

Verified Answer :

Anonymous Anonymous
  • 25-01-2017

First equation is: x - y = 12
x = 12 + y

Now, substitute this in 2nd equation, 
2x - 3y = 27
2(12+y) - 3y = 27
24 + 2y - 3y = 27
-y = 27 - 24
y = -3

In short, Your Answer would be -3

Hope this helps!

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