jkw1222p0ttvq
jkw1222p0ttvq jkw1222p0ttvq
  • 25-10-2019
  • Mathematics
contestada

Solve the system by substitution.
system
A. (–8, 7, 5)
B. (–8, –7, 5)
C. (8, –7, 5)
D. (–8, –7, –5)

Solve the system by substitution system A 8 7 5 B 8 7 5 C 8 7 5 D 8 7 5 class=

Respuesta :

KurdishPotato
KurdishPotato KurdishPotato
  • 25-10-2019

Answer:

x =-8 y= -7 z= 5

Step-by-step explanation:

if z = 5

2x - y +5 = -4 ➡2x - y = -9

3y - 2x - 5 = -10 ➡ 3y -2x = -5 adding these up 2y = -14 (2x eliminated) y is -7

by replacing z and y you can find x too

Answer Link
clowcat
clowcat clowcat
  • 25-10-2019
The answer is B hope this helps!
Answer Link

Otras preguntas

Which is the least likely reason that pigs have been chosen as donors for humans in the process of xenotransplantation? free of known diseases cost-effective to
What is the value of 27 + 3s? Let s = 12.
what is the molarity of a solution of 14.0 g NH4Br in enough H2O to make 150 mL of solution?
What were the reasons the United States and Soviet Union could not agree on a workable postwar relationship?
Define the rock cycle. Include the process a rock would go through, starting from volcanic eruption. ( in your own words please ) :)
draw a quadrilateral with no square corners
What generalization is true for all immigrants? a) Immigrants take jobs that no one else wants. b) Most immigrants enter the country illegally. c) Most immigran
the layered mixture of gases surrounding the earth is called
Which of the following are not biotic factors in a terrestrial ecosystem? a. herbivore population b. plants c. rivers d. soil bacteria
Rock that forms from particles put down by water or wind is igneous rock. True False