Kawiana15
Kawiana15 Kawiana15
  • 02-09-2020
  • Mathematics
contestada


Solve the following system of equations using substitution:
2x - 2y + z = 8
-y+z=4
2z=4​

Respuesta :

meredith48034
meredith48034 meredith48034
  • 02-09-2020

Answer:

Step-by-step explanation:

2z = 4

z = 2

-y + 2 = 4

-y = 2

y = -2

2x + 4 + 2 = 8

2x + 6 = 8

2x = 2

x = 1

(1, -2, 2)

Answer Link

Otras preguntas

HELP! NO LINKS! GEOMETRY! Giving brainliest!!!!!!!!
Which of the following factors are biotic? O ph and salinity, dissolved oxygen, dissolved nutrients O rabbit, fox, mushroom, bacteria Wind speed, humidity, Ligh
Make x the subject. 1) а — x =y2) m = k – x 3) k - t2x = m​
what is the price of 1 gb data in India on an average... ?​
Select the correct answer. The motto "trust thyself" is based on which transcendentalist belief? A. One can ultimately rely on oneself to know what is right. B.
How I can answer this question, NO LINKS, if you answer correctly I will give u brainliest!
Define the word organisms.
How did the Coinage Clause in the Constitution influence the rise of capitalism? o It encouraged innovation by creating patents. olt enforced legal contracts th
Completa las conversaciones con las palabras adecuadas.QuestionsQuestion 1 with 3 blanksGRACIELA ¿1 of 3 tiempo hace que vives en esta ciudad?SUSANA Mmm... 2 of
Rewrite the parametric equations in Cartesian form: x(t)=4+t, y(t)=2sqrt(t). y=?