Answer:
A. Substitution
Step-by-step explanation:
You have already gotten what y is in x terms, so you could plug that into the first equation and find out what y and x are
Answer:
21
Step-by-step explanation:
Answer:
180 X 2 + 1200 X 2= YOUR ANSWER
Step-by-step explanation:
I can't give you your answer but I hope this helps PLEASE MARK ME AS BRAINLIEST

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