nonone nonone
  • 21-12-2019
  • Mathematics
contestada

Solve for x, y and z
3x – 3y + 5z = 13
5x + 6y – 2z = 10
7x + 5y = 18

Respuesta :

Xephyra246
Xephyra246 Xephyra246
  • 21-12-2019

Answer:

3x – 3y + 5z = 13

x = 13/3 + y - 5z/3

y = - 13/3 + x + 5z/3

z = 13/5 - 3x/5 + 3y/5

5x + 6y – 2z = 10

x =  2 - 6y/5 + 2z/5

y =  5/3 - 5x/6 + z/3

z = -5 + 5x/2 + 3y

7x + 5y = 18

x = 18/7 - 5y/7

y = 18/5 - 7x/5

Answer Link

Otras preguntas

Solve: 8x - 2(x + 1) = 7x + 8 Answer -10 10 6 -6 Solve: 8x - 2(x + 1) = 7x + 8 Answer
The sum of the measures of the interior angles of a polygon is five times the sum of the measures of its exterior angles, one angle at each vertex. How many sid
You need to move a 105kg sofa to a diffrent room. It takes a force of 102 N to start it moving. What is the coefficient of static friction between sofa and carp
Find the area of the region enclosed by x(t)=t^2-2t, y(t)=sqrt(t), and the y-axis. ...?
Después de muchos intentos (tries), hacer una piñata.
What measure is commonly used to trace the presence of a particular type of illness in a society??
Sediment laid down by glacial meltwater is called
Why is Radha murdered? A.) she kills a child B.) she commits adultery C.) she does not have dinner ready D.) she attacks her sister in law
a parabolic microphone used on the sidelines of a professional football game uses a reflective dish 16 inch wide and 4 inch deep how far from the bottom of the
Which of the following best describes how the photosynthesis in grass cells is related to the cellular respiration in a cow's cells? ...? A.)The carbon d