miichaelhopkins miichaelhopkins
  • 14-01-2020
  • Mathematics
contestada

9. 2x - 3y = 21
5 - 2y = 25.​

Respuesta :

gracebracke27
gracebracke27 gracebracke27
  • 14-01-2020

Answer:

(x,y)=(-33/4,-25/2)

Step-by-step explanation:

Answer Link
Mic849 Mic849
  • 14-01-2020
-2y = 20
y = -10

2x - 3(-10) = 21
2x + 30 = 21
2x = -9
x = -9/2

The answer is (-9/2 , -10)
Answer Link

Otras preguntas

please help , giving brainliest!
x is less than 1/4 of two dozen x is not a factor of 10 x is an odd number x =?
In the equation y=3x-4, what is the y-intercept? * 3 2. 1 -4 On a scale of 0-5 with 5 being very comfortable, how comfortable do you feel with Slope and y-inter
Please need help thank
Which sentence uses descriptive words the best? A. We skipped class so we could do stuff together, sometimes. B. I love to read nice long mystery books with
Tania measured the growth of her plant each week. The first week, the plant's height measured 4.78 decimeters. During the second week, Tania's plant grew 0.7 de
8/10 Solve this equation for 2 in terms of y and z: 2x - 3y + 8z = 14 What is the value of x when y= 2 and z= -5?
(05.01) The graph of a system of equations with the same slope and the same y-intercepts will have no solutions. (1 point) O Always Sometimes O Never Help ASAP
A 200.0-mL sample of helium gas is in a cylinder with a movable piston at 110 kPa and 275 K. The piston is pushed in until the sample has a volume of 95.0 mL. T
If the ribbon costs 10 cents ($0.10) per foot, what is the total cost of the ribbon in dollars? Explain your reasoning.....how do you know where to place the de