Seudónimo Seudónimo
  • 19-08-2020
  • Mathematics
contestada

Solve. 2x−y+3z=6 2x+y=3 2y−4z=−4 Enter your answer, in the form (x,y,z), in the boxes in simplest terms. x= y= z=

Respuesta :

taemai2308 taemai2308
  • 19-08-2020

Answer:

(3/2, 0, 1)

Step-by-step explanation:

From 2x+y=3 we have => y=3-2x

From 2y-4z=-4 we have -4z=-2y-4 => z=1/2y+1 => z=1/2 (3-2x) +1 => z=5/2-x

Plug in y & z to find x

2x−y+3z=6 => 2x+(3-2x)+3(5/2-x)=6 => 2x+3-2x+15/2-3x=6 => 21/2-3x =6 => x=3/2

plug in x to find y

2x+y=3 => 2(1.5) + y =3 => y=0

plug in y to find z

2y -4z =-4 => 2(0)-4z=-4 => -4z=-4 => z=1

Answer Link

Otras preguntas

what are the north germanic languages?
Where do plants get the carbon they use to make organic molecules?
Mosaics are constructed from small pieces of stone called what?
what are the north germanic languages?
Mosaics are constructed from small pieces of stone called what?
Yesterday we combined Hydrochloric Acid HCl with Sodium Hydroxide NaOH in a violent reaction that resulted in water H2O and common table salt NaCl. How many gra
Find the vertex, focus, and directrix. y = 1/24(x+1)² - 3.
Can someone help with number 4 please
what is a 'cheap shot'?
Mosaics are constructed from small pieces of stone called what?