Answer: consistent, independent; one
Step-by-step explanation:
Eliminate one variable.
4(x+5y+7z=13)——- 4x+20y+ 28z= 52 (Multiply equation 2 by 4)
Subtract
Write the 2-by2 system.
17y+22z=27
-30y+8z=46
Eliminate y and solve for z
Use one of the equations in the 2-by-2 and solve for y
