mojoye661 mojoye661
  • 04-07-2020
  • Mathematics
contestada

Solving Linear Systems by Substitution x+y=5 -3x+2y=5

Respuesta :

vicklan vicklan
  • 04-07-2020

Answer:

x=8.5

y=-3.5

Step-by-step explanation:

lets say  x=5-y

substituting x in the other equation gives -3(5-y)+2y=5

-15+3+2y=5

2y=5+15-3

2y=17

y=8.5

from equation 1    : x+8.5=5

x=5-8.5

x=-3.5

Answer Link
TheAnimeGirl
TheAnimeGirl TheAnimeGirl
  • 04-07-2020

Answer:

X=1

y=4

Please see the attached picture for full solution...

Hope it helps...

Good luck on your assignment...

Ver imagen TheAnimeGirl
Answer Link

Otras preguntas

a car starts from rest and accelerates to a speed of 30 m/s in a time of 3 seconds. the average acceleration of the car is
Kings granted favors to merchants in exchange for taxes True or False
Find the Subject and the Predicate Animal Farm is one of my favorite books.
Which two of the following created a favorable climate for change in Canada? France was changing its attitude towards colonies. England was changing its attitud
Which molecule is a high energy output of photosynthesis
What is the distance between 3.5 and -13.8 on a number line?
pic below........... .............. look below
Which narrator uses a first-person point of view? He walked up and down the street looking for the neighbor’s dog, but it was nowhere to be seen. She folded the
-3x - 6 = 2x - 14x - 6
Activity The picture shows five different embryos. Study the picture, and then answer the questions. What similarities and differences do you notice among the d