ramirezraytard ramirezraytard
  • 12-11-2020
  • Mathematics
contestada

Y=2x and 5x-y=9 substitution

Respuesta :

AlbusSkywalker AlbusSkywalker
  • 12-11-2020

Answer:

3,6

Step-by-step explanation:

Plug 2x(y) into 5x -y = 9

5x -2x = 9

Add like terms.

3x = 9

Divide both sides by 3.

x = 3

Now, in order to find y, plug 3(x) into y = 2x

y = 2(3)

y = 6

Answer Link
buchananketurah766
buchananketurah766 buchananketurah766
  • 12-11-2020
1. Substitute 2x for y: 5x-2x=9
2. Combine like terms: 3x=9
3. Divide each side by 3: x=3
Answer Link

Otras preguntas

Check all of the polynomial functions that have 2 as a root. A. h(m) = 8 – m^3 B. f(g) = g^3 – 2g^2 + g C. f(a) = a^3 – 4a^2 + a + 6 D. f(x) = x^3 – x^2
Number 9 I need help
What happens to the driver who causes the accident? A.The driver breaks his legs B.The driver dies in the accident C.The driver is fine, he walks away unhurt
74.2% of what number is 406.6
Study the scenario. A toy car is pushed across the floor with a force of 4 N to the right. There is 1 N of friction acting on the car to the left. What is the n
The area of a circle with a diameter of 5cm
State whether the lines are parallel, perpendicular, coinciding, or neither: 6x+3y=–15 and y–3=–2x
Each of Hashim's comedy shows lasts for 75 minutes. He tells an average of 8 jokes every minute. How many of Hashim's comedy shows does one need to watch to hea
Dubai has been compared to a "salad with a cucumber and tomato on top," when talking about multiculturalism. Choose the answer that best explains why this is. A
what is the purpose of CPR?