palaguchijosephine2 palaguchijosephine2
  • 15-01-2020
  • Mathematics
contestada

x=3
5x+4y=-9
-x+4y-2z=-25

Respuesta :

aaronb259657 aaronb259657
  • 15-01-2020

Answer:

y=-6 z=-1

Step-by-step explanation:

5(3)+4y=-9

15+4y=-9

-15. -15

4y=-24

/4. /4

y=-6

-x+4y-2z=-25

-3+4(-6)-2z=-25

-3+-24-2z=-25

-27-2z=-25

+27. +27

-2z=2

/-2. /-2

z=-1

Answer Link

Otras preguntas

A hard material is easily scratched. True False
In addition to replacing the president if necessary, it's the duty of the vice president to A. review laws before the president signs them. B. preside ove
Which answer shows a correct way to divide the word at the end of a line? a. kang-aroo b. ka-ngaroo c. cannot be divided d. kanga-roo
If y varies directly as x, and y=25 as x=5, find y when x=7.
What is U.S. currency backed by today? a. gold b. silver c. the state banks d. the federal government
A set of organized beliefs that is often centered around one or more deities is referred to as
Factor completely: −2x3 + 6x2. −x(2x2 − 6x) 2x(−x2 + 3x) −2x2(x − 3) Prime
Farmers favored inflation because it would a. increase crop prices. b. lower the price of manufactured goods. c. lower the cost of farm machinery. d. increa
Three of the following could be found on a typical medieval manor. Which would NOT? a. a system of farming based on leaving one of three fields fallow b. indivi
Which statement describes the offspring of the F1 generation when crossing a pea plant that is true breeding for green seeds with a pea plant that is true breed