Question

Find the solution to the solution of equations. 3x+2y-7z=14 2y-5z=4 6x+4y-4z=18

Answer 1

combine like terms

Answer 2

the answer choices are : A x=2, y=7, z=2
B. x=3, y=9, z=-2
C. x=3, y=-3, z=1
D. x=2, y=-3, z=-2

Answer 3

The easiest thing to do is plug the answer choices into each equation until you find the one that makes all three equations true.

Answer 4

ok. thank u. I will tell u what I get and will u correct me if i'm wrong?

Answer 5

ok

Answer 6

I got D.