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

How did the aboriginals people heal themselves before Europeans arrives?
what did Benjamin franklin feel strong about
a rectangular table top measures 4/9 of a meter long by 4/5 of a meter wide. the area is _____ square meter.
Find the explicit formula that produces the given sequence. 3/2, 3/4, 3/8, 3/16,...
How do you find the length of a circle in geometry?
What positive and negative traits does Odysseus demonstrate in his adventure with the Cyclop's?
Carla's plant was 10 2/3 inches tall. Yolanda's was 8 3/4 inches tall. How much taller was Carla's plant than Yolanda's?I came up with 2 11/12.   Am I right??
how do you multiply and divide equations?
what are facts on Loyalists?
True or false. If a line L1has equation y = mx + b, where m and b are constants with m ≠ 0, then an equation of a line L2 perpendicular to L1 has the form y = -