isiscarter2019 isiscarter2019
  • 03-12-2017
  • Mathematics
contestada

-4x+2z=14,y=x+z+12,-2x-4z=22 using elimination

Respuesta :

vunderkid
vunderkid vunderkid
  • 03-12-2017
-4x+2z=14
-2x-4z=22
y=x+z+12

-4x-x+2z-2z=14+11
-5x=25
x=-5
10-4z=22
-4z=12
z=-3
y=-5-3+12
y=4
Answer:
x=-5; y=-3; y=4
Answer Link

Otras preguntas

Round 125,458 to the nearest hundred thousand
what are the constants of t-shirts
which group of algae is responsible for formation of kelp-beds along north American coasts
help with these please
what is the general name for policies that affect the welfare, or well-being, of the people
what is 33 %of what number is 1.45
How could you leave home on Monday to go sailing on the ocean,sail for 1 hour on Sunday,and return home on monday
What does "sometimes lies were more dependable than truth." mean?
what materials where used to make the first gps
Im having a little trouble in math, math in particular. Its a small question, and I feel like I kinda know it, but heres an example question:(-2)4 (the four is