SOLUTION: how do you solve
x+y+z=-54
x=-6y
z=14y
Algebra.Com
Question 272858: how do you solve
x+y+z=-54
x=-6y
z=14y
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
x+y+z=-54
x=-6y
z=14y
Replace x with (-6y) & replace z with (14y) in the first equation & solve for y.
-6y+y+14y=-54
9y=-54
y=-54/9
y=-6 ans.
x=-6*-6=36 ans.
z=14*-6=-84 ans.
Proof:
36-6+14*-6=-54
36-6-84=-54
36-90=-54
-54=-54
RELATED QUESTIONS
how do you solve this problem using substitution?
X + Y-Z=3
-3X +Z=-5
X... (answered by AnlytcPhil)
x+y+z=-2
-3x-5y-z=6
2y-3z=2
How do you solve... (answered by Alan3354)
how do you solve the equation for the given variable... (answered by Fombitz)
x-2y+z=2
2x-y-z=1
how do you solve this kind of... (answered by stanbon)
How do you solve for x , y , z
x+5y+5z=-10
x+y+z=2... (answered by solver91311)
How do you Graph the linear equation -9x - 6y = 54 by finding x and y... (answered by jim_thompson5910)
how do you solve the system of equations with these three equations?
x-y+z=8
x+y+z=6
(answered by Fombitz)
How do you solve this problem?
x+y+z-w=2
3x+y-z+w=8
x-5y+2z+w=1... (answered by Edwin McCravy)
HI!
How do I solve these linear equations using a matrix?
x+y-z=0
x-y+z=c-b... (answered by josgarithmetic)