xXBigmac01Xx
xXBigmac01Xx xXBigmac01Xx
  • 03-03-2022
  • Mathematics
contestada

Find the value of x and y:
5x + y = 11
3x - y = 9​

Respuesta :

Аноним Аноним
  • 03-03-2022

Answer:

x = 2.5

y = -1.5

Step-by-step explanation:

5x + y = 11

3x + y =  9

8x = 20

x = 20/8

x = 2.5

5(2.5) + y = 11

12.5 + y = 11

y = -1.5

Answer Link

Otras preguntas

What restriction may be necessary to the domain and range of linear equations?
could you tell me what is a mutagen?
why does the same side of the moon always face the earth?
A rectangular prism has a volume of 105 m3. This prism is enlarged using a scale factor of 4. What is the volume of the enlarged prism?Please Explain...
From where did the first novel originate?
What's the formula to perimeter
If x= (a^2)/b, which situation would always double the value of x? (1) Doubling the value of a(2) Halving the value of a(3) Doubling the value of b(4) Halving t
estimate for 412*5.904/0.195any one knw the estimate for this and how to work it out
Which object would best be identified by a periodic Doppler shift in a star's spectrum along with a dip in the stars light intensity? a black hole a nebula a co
list the 6 characteristics of american economy and explain how they help the economy grow