Answer: No solution
Step-by-step explanation:
Answer:
C) 1/6y+1/6(y+12)-2
Step-by-step explanation:
Answer:

Step-by-step explanation:



Substitute
into second equation:




Substitute
and
into the third equation:



Substitute
into
:

Plug in y and z values into
:

If this is all multiplication
145.8