andrew2598 andrew2598
  • 01-12-2019
  • Mathematics
contestada

How to solve system
X+y=10
X-y=2

Respuesta :

Yang100
Yang100 Yang100
  • 01-12-2019

Answer:

x=6, y=4. (6, 4).

Step-by-step explanation:

x+y=10

x-y=2

----------

x=y+2

y+2+y=10

2y+2=10

2y=10-2

2y=8

y=8/2=4

x+4=10

x=10-4=6

Answer Link

Otras preguntas

the average of a set of 10 numbers is 6. nine of the numbers are as follows: 3,4,5,6,7,10,1,3,12. what's the tenth number?
The organization of a cell could be compared to a small city. All of the organelles inside of the cell have a specific purpose that helps the cell to function p
Need help!! Please explain too!
Express the decimal 0.907 as a percent?
What’s the answers? I somewhat know how to solve but it’s frustrating.
What was a similarity between convict laborers and sharecroppers who were in debt
During her science fair project, Mary discovered that solutions of ionic compounds in water conduct electricity. What type of investigation could Mary perform t
What was the only type of life on the planet for hundreds of millions of years
A math teacher bought 40 calculators at 8.20dollars eah and a number of other calculators costing 2.95 dollars each. In all she spent 387dollars.How many of the
Solve 7/b-36=a/72=28/b