aysia0226ow78cr aysia0226ow78cr
  • 13-03-2018
  • Mathematics
contestada

Solve by graphing 5x-2y=-10 3x+6y=66

Respuesta :

hienh4517 hienh4517
  • 13-03-2018
5x-2y = -10
Multiply by 6
= 30x -12y=-60


3x+6y = 66
Multiply by 2

= 6x+12y = 132

So


30x-12y=-60
6x+12y=132

Add those variables

36x= 72
X= 2

This would help
Answer Link

Otras preguntas

What was mercantilism and how did it affect the Anglo American Colonies?
What two numbers multiply to get 120 and add or subtract to get negative 22?
Which one is greater 0.64 or 7over 10
How would japans physical geography affect the development of Japanese government And society
Why was the battle of Saratoga important?
Charles can do a job in 1 hour, Bill can do the same job in 2 hours, and Bob can do the job in 3 hours. How long does it take them to do the job working togethe
What is the advantage of a gold leaf electroscope ?
Two main proteins found in muscle are a. smooth and skeletal. b. tendons and ligaments. c. actin and myosin. d. myofibrils and fibers.
find exact value using reference anglescot -53pi/6
Use Newton's method to approximate a root of the equation    \cos(x^2 + 3) = x^3  as follows. Let  x_1 = 1  be the initial approximation. The second approximati