SOLUTION: how do I solve 3x+5y+7z=75 for x,y and z?

Algebra.Com
Question 350658: how do I solve 3x+5y+7z=75 for x,y and z?
Answer by Fombitz(32388)   (Show Source): You can put this solution on YOUR website!
With one equation and three unknowns you can only solve for one variable in terms of the other two.
For example,

To solve for three unknowns, you need 3 independent equations.

RELATED QUESTIONS

how do I solve -x-5y+z=17 -x-y+z=1 2x+5y-3z=-10 (answered by josgarithmetic,MathTherapy)
x+y+z=-2 -3x-5y-z=6 2y-3z=2 How do you solve... (answered by Alan3354)
Please help! I am so confused! 3. Solve for X, Y, and Z in the following systems of... (answered by rviksub)
does anyone know how to solve x,y,z equations for x and explain?! 2x + y + z = 0... (answered by jsmallt9)
22X + 5Y + 7Z = 12 10X + 3Y + 2Z = 5 9X + 2Y + 12Z = 14 I need to solve for... (answered by stanbon)
Can someone please show me how to do the following problem: Solve for X, Y, and Z in... (answered by DeepaEvangeline)
The whole third variable thing confuses me. When I try and do it by substitution I always (answered by glabow)
How do you solve for x , y , z x+5y+5z=-10 x+y+z=2... (answered by solver91311)
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)