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

please help me! What techniques did Genghis Khan use in battle?dont copy and paste please ;)
help me please!! what is the additive inverse property
What was the main contribution of Susan B. Anthony in the suffrage movement?
What symbol indicates mass
What is the mood in the poem "in my mothers house"
Bob and Mary are excited that ____ daughter is going to college.
How did the United States recruit and train its troops in a short period of time?
The longest straight line that can be drawn to connect two point on the circumference of a circle whose radius is 9 inches is
Which compounds are referred to as “the building blocks of proteins”? lipids fatty acids amino acids carbohydrates?
If the tangent line to y = f(x) at (7, 4) passes through the point (0, 3), find f(7) and f '(7).