fabian896 fabian896
  • 16-03-2020
  • Mathematics
contestada

Find the solution to each system of equation below
X=4y-7
Y=2x

Respuesta :

0217
0217 0217
  • 16-03-2020
X-1
Y-2
I have to make this 20 characters for some reason
Answer Link
johnnydavid167
johnnydavid167 johnnydavid167
  • 16-03-2020

Answer:

The solution is (x, y) = (1, 2).

Step-by-step explanation:

Notice that you can substitute y = 2x in the first equation to get x = 4(2x) - 7. Therefore,

x = 8x - 7

-7x = -7

x = 1

Then plug this into y = 2x to get y = 2(1) = 2.

Answer Link

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