Answer:
18% if it is the rate of change.
0 if solved
Step-by-step explanation:
Sorry, but you need more information
Answer: 4
Step-by-step explanation:
a= 6-2b-3c
then put that equation inside the first one and then the second one
you get -6*(6-2b-3c)+2b-3c=23
and 5*(6-2b-3c)+4b-3c=-12
14b-15c=59
14b-18c=18/*(-1)
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3b=41