treynolds4141
treynolds4141 treynolds4141
  • 04-06-2019
  • Mathematics
contestada

What is the x-coordinate of the solution of the following system of equations?

3x + y = 6
x - y = 6

Respuesta :

SilverChain SilverChain
  • 04-06-2019

Answer:

x = 3

Step-by-step explanation:

By rearranging the equations,

y = 6 - 3x

y = x - 6

x - 6 = 6 - 3x

4x - 6 = 6

4x = 12

x = 3

Answer Link
Аноним Аноним
  • 04-06-2019

Answer:

x = 3

Step-by-step explanation:

Follow the elimination method like so:

3x + y = 6            The Ys cross each other out.

x - y = 6               Add to get:

4x = 12

4x = 12               Divide to get:

4       4

x = 3

Hope this helps! :)

Answer Link

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