jay927350 jay927350
  • 17-05-2019
  • Mathematics
contestada

Use the substitution method to solve the system of equations​

Use the substitution method to solve the system of equations class=

Respuesta :

shinkdiva
shinkdiva shinkdiva
  • 23-05-2019

Answer:

C. (5,-2)

Step-by-step explanation:

3x+7y=1

substitute x-7 for y

3x+7(x-7)=1

3x+7x-49=1

10x-49=1

10x= 50

x=5

now substitute x=5 in the other equation

y=5-7

y=-2

Answer Link
ACCESS MORE

Otras preguntas

what percent of 126 is 22?
what is 89 divided by 6 in long divison
Slope= 1/5, y-intercept=1
What is Germany in German?
What evidence in the declaration is there of religious faith? How do you think this religious faith influenced the ideals expressed in the declaration
Why did the settlers go to new mexico during manifest destiny?
use the function rule, y= 2x+5, to find the values of y when x =1,2,3,4. write the answers as ordered pairs that would be used to graph the function. show your
How many quarts in 24 pints?
A special form of loose connective tissue that pads and insulates the body and stores fuel reserves is known as (A) epithelial tissue. (B) adipose tissue. (C) f
what were some of the problems that led to the rise of dictators in germany ,italy ,and japan?