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
Answer Link

Otras preguntas

Lee y escoge la mejor respuesta. Read and select the best answer. En mi clase de historia, tengo que tomar una posición sobre el tema de la guerra. Después, me
PLEASE HELP THIS IS THE FINAL SUBMISSION 2) Ruth borrows $440 at 0.6% simple interest per month. When Ruth pays the loan back 4 years later, how much interest
Use the numbers `20`, `5`, and `4` to write a division expression with a quotient that is: less than 1
What must be added to -3x^2 +5x +3 to get a sum of 4x^2 a 3x +5
Which law required everyone to help catch runaway slaves and was part of the Compromise of 1850?
how does perspective shape our understanding of events?
Burmese pythons were released into the everglades in florida. This species population size has increased dramatically since then and has devoured many of the na
What is .4% as a fraction or mixed number in simplest form
Please tell the correct answers
HELP! I am making a graffiti what do I add?