Answer: If you look up the question on Brainly, somebody asked the same question and there is a full explanation.
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Answer:
The Last Option
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Answer:
3x + y = 21
x = 2.5
7.5 + y = 21
y = 13.5
shirt cost $13.50
Step-by-step explanation:
Answer:
y = 2x - 3
Step-by-step explanation: