Hi,

3x+2y+z=7, 5x+5y+4z=3, 3x+2y+3z=1



3x+2y+z=7

3x+2y+3z=1  || Subtract 2nd from 1st

  -2z = 6

    z = -3



3x+ 2y = 10    ||multiply 1st EQ by 5 and subtract from 3 times the 2nd EQ

5x + 5y = 15

       5y = -5

        y = -1  and x = 4

and...Using 3x+2y+3z=1

 

 



 

RELATED QUESTIONS

Is it possible to solve the following system of equations through substitution. If it is,  (answered by MathLover1)

Solve for x, y, and z variables of this systems of equations problem: 3x + 2y + z = 7, 5x  (answered by ewatrrr)

x+2y+3z=17
3x+2y+z=11
x-5y+z=-5
Use Cramer's rule to solve the values of x,y and... (answered by ewatrrr)

Expectations
As this is a fundamental "hands on" course, it is expected that you master... (answered by ewatrrr)

Solve. If the system's equations are dependent or it there is no solution, state this.

 (answered by Alan3354)

Solve. If the system's equations are dependent or it there is no solution, state this.

 (answered by solver91311)

what are the values of w,x,y, and z in these equations?

1. w + x + y + z = 2
2. 2w -... (answered by ankor@dixie-net.com)

Is it possible to get infinitely many solutions and an x, y, and z value for the... (answered by Alan3354,MathTherapy)

Solve for x, y, and z variables of this systems of equations problem: 3x + 2y + z = 7, 5x  (answered by solver91311)