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

What is the standard form of a quadratic with a root of [tex]2i \sqrt{3} [/tex]​
WILL MARK BRAINLY FOR WHO EVER GETS THE ANSWER FIRST
Which of the following statements best illustrates the fact that skeletal muscle is voluntary muscle? options; a. The shivering reflex aids in maintaining body
Evaluate b+c when a=5, b= 17, and c= 25
PLS HELP IF ENGLISH IS UR FIRST LANGUAGE THIS IS EXTREMELY EASY1. My brother won't borrow me his guitar. a) correctb) incorrect2. Do you mind if I use your penc
what is the equivalent expression of 12d4
''' When should you choose between the HARMONY and the MELODY ,what part is more difficult to achieve (or to sing)?"
Help!! Find the value of x
I NEED HELP!!! PLEASE NO LINK FILE!
The main function of the human digestive system is to * a. Rid the body of cellular waste materials b. Process organic molecules so they can enter cells c. Brea