kaylarose0322 kaylarose0322
  • 19-01-2017
  • Mathematics
contestada

x+ y =5
3x-y=7

solve each system of equations by the addition method


Respuesta :

Аноним Аноним
  • 19-01-2017
X=3
Y=2
Use the "Guess and Check Method"
For example, I inputed 2 for X and found that it was too small to work for the second equation, so I put in 3. Then for Y, I input 2 because 3+2=5. I put 2 in to replace Y in the second equation (3x-y=7) to see that 9-2=7. Therefore, X=3 and Y=2
Answer Link

Otras preguntas

What is the exact value of sin 60° as found on the unit circle?
The best way to be sure that experimental results are vaild
Pls i need help im desprate
Please need help with this one
Which type of growth can occur only when a population has unlimited resources
what is the whole speech i've been to the mountaintop about ??
Susan sat out in the sun watching a baseball game. She developed small blisters on her unprotected shoulders and neck. What type of burn is represented by the f
Need help wit #36. Math.
Name two innovations that were made possible by the Bessemer process
What the rate of change of f(x)=2x-3