zakrocks
zakrocks zakrocks
  • 17-02-2017
  • Mathematics
contestada

What is the solution to 2x+3y=9 over X-2y=1

Respuesta :

deadlykittenxo
deadlykittenxo deadlykittenxo
  • 17-02-2017
Assuming this is what you mean:
2x + 3y = 9
x - 2y = 1

-2(x - 2y = 1)
-2x + 4y = -2
2x + 3y = 9
7y = 7
y = 1

2x + 3(1) = 9
2x + 3 = 9
2x = 6
x = 3

Solution (3, 1) 
Answer Link

Otras preguntas

If the dot product of two nonzero vectors is zero, the vectors must be perpendicular to each other. if the dot product of two nonzero vectors is zero, the vecto
what is it like to be Paralyzed?
Why did North Ireland, Egypt, Trans-Jordan, Syria, and Palestine fight on the side of the Allies
Which rock type can form directly from the other rocks listed?A. Igneous B. Metamorphic C. Sedimentary
The last step in the rational decision-making process is _____________.
Which level of organization in the classification system is directly above the phylum level? Class Domain Kingdom Order
WILL GIVE 99 POINTS IF ANSWERED ASAP PLEASE
Your employer pays 75% of your health insurance premium. If the annual premium is $2530, and you are paid weekly, how much is deducted from each paycheck?
Which of the following pair(s) of circles have l as a common internal tangent? Select ALL that apply. A and B A and C B and C
The rotation of air around a high-pressure center is called a(n)