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

this gas makes up close to one fourth of the air surrounding earth
Convert 57 mL to its equivalent in L using dimensional analysis
What is the meaning of open proportion?
Kenji buys 3 yards of fabric for $7.47. Then he realizes that he needs 2 more yards. How much will the extra fabric cost?
what evidence shows that sumerians where not prehistoric
What is the most dense thing in the world
what is the equation of a line in slope-intercept form with a slope of -3/4 and a y-intercept of -2
Write the number that matches the clues My number has 2 hundreds. The tens digit is 9 more than the ones digit
England won respect from others countries because the Spanish Armada was defeated.Answer True  False
find the proportionality of y=7.25x