thomasatigh
thomasatigh thomasatigh
  • 14-02-2018
  • Mathematics
contestada

Solve showing all steps using elimination:

2x+y=10 and y=6-x

Respuesta :

yxbyz
yxbyz yxbyz
  • 14-02-2018
Rearrange first
2x+y=10
  x+y=6
Since there is one y in both equations, you can eliminate them by subtracting.
  2x+y=10
-   x+y=6       subtract the two equations
-------------------
x=4
Substitute x in one of them
2(4)+y=10
y=10-8
y=2
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