SOLUTION: 6x+2y-3z=-17;7x-5y+z=72;2x+8y+3z=-21
solve by elimination
Algebra.Com
Question 1049750: 6x+2y-3z=-17;7x-5y+z=72;2x+8y+3z=-21
solve by elimination
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
6x+2y-3z=-17
7x-5y+z=72
2x+8y+3z=-21
solve by elimination
=============
Multiply the 2nd eqn by 3, then eliminate z.
You'll have 2 eqns in x & y.
RELATED QUESTIONS
how to solve ordered triple as 6x+2y-3z=-17 7x-5y+z=72... (answered by josgarithmetic,MathTherapy)
Solve the system by elimination.
-x-5y+z=17
-5x-5y+5z=5... (answered by Alan3354)
Use elimination to solve the system of equations.
-2x+y+3z=20
-3x+2y+z=21... (answered by checkley77)
Solve the system by elimination.
-2x+2y+3z=0
-2x-y+z=-3
2x+3y+3z=5
(answered by Alan3354)
Solve the system by elimination.
-2x+2y+3z=0
-2x-y+z=-3... (answered by Alan3354)
Solve by elimination
2x-4y-z=8
3x+2y+z=6... (answered by solver91311)
simplify... (answered by Fombitz)
Solve the following system algebraically: 3x + 5y – z = 2; -x – 8y + 3z = -6; (answered by ewatrrr)
solve by elimination
x-y-2x=4
-x+2y+z=1... (answered by Alan3354)