Hello! I'm having a problem figuring out this problem: 6c-9d=111 5c-9d=103
1 answer:
Answer:
C=8
Step-by-step explanation:
6c-9d=111
<u>-) 5c-9d=103</u>
6c-5c=c
-9c+9c=0
111-103=8
(Negative+Negative=Positive)
C=8
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