GalaxyNight GalaxyNight

02-12-2019
Mathematics

contestada

solve using substitution -x+y=3 and -4x+3y=3

Respuesta :

Yang100 Yang100

02-12-2019

Answer:

x=6, y=9. (6, 9).

Step-by-step explanation:

-x+y=3

-4x+3y=3

-----------------

-x=3-y

x=-3+y

x=y-3

---------

-4(y-3)+3y=3

-4y+12+3y=3

-y+12=3

-y=3-12

-y=-9

y=9

-x+9=3

-x=3-9

-x=-6

x=6

x=6, y=9.

Answer Link

Otras preguntas

write to fractions between 8/10 and 5/4

I need help solving this and getting the right answer. I got the answers 3.7854 changed to 3.79, and another answer which is 3.7878

What is the value of y? Assume that the line is tangent to the circle @ 40 ® 60 © 120 @ 140

Which of the following equations represents the line with a slope of -7/4 and a y-intercept of -11? y = -7/4x - 11 y = 7/4x + 11 y = -7/4x + 11 y = 7/4x - 11

Why are a variety of instruments needed to measure change in the climate system? a. A different type of instrument is needed for each different climate. b. The

Upon eating a hamburger in what organ is the chemical breakdown of its proteins initated

Which of the following is not an example of a plant defense against herbivory? A) nicotine B) cryptic coloration C) spines D) thorns E) strychnine

Help me find the surface area please!

Who was responsible for the development of the Communist economic theory, which states that government should control all businesses, people should not be paid

Use the listing method to represent the following set. { x | x I, 2 ≤ x ≤ 5} {2, 3, 4} {2, 3, 4, 5} {4, 5, 6, 7}