halwoodkaty halwoodkaty
  • 02-11-2019
  • Mathematics
contestada

Solve each system by subst
1) y= 63-11
-2x-3y=-7​

Respuesta :

Аноним Аноним
  • 02-11-2019

y= 63-11

y= 52

-2x-3y=-7

-2x-3(52)= -7

-2x-156= -7

move -156 to the other side

sign changes from -156 to +156

-2x-156+156= -7+156

-2x= -7+156

-2x= 149

divide both sides by -2 to get x by itself

-2x/-2= 149/-2

x=- 149/2

Answer:

(-149/2, 52)

Answer Link

Otras preguntas

prove that (secx-tanx) = 1-sinx/1+sinx
After a team of scientists completes an investigation, they submit an article about the investigation to a scientific journal. Before the journal publishes the
HELP!!! A population of jellyfish has shown a sharp decline. What types of factors should be investigated? (The last answer was wrong)
What is required in a society for democracy to work
What are the foci of the following graph?
What topics are covered on the permit exam?
The LCM of two prime numbers x and y (x>y) is 161. Find the remainder when x is divided by y. Answer
When writing the equation of a circle on the coordinate plane, use the formula x2 + y2 = 12 only when the center is not on the origin True False
What is the simplified expression for 5ab + 9ab - ab?
How does the setting of "Mending Wall" help develop its central idea? The modern setting is what makes the speaker want to rebuild the old walls that have cru