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1 vote
3(3t + s) and 3s - t S = 9 and t =12

2 Answers

4 votes
3(3(12)+9)
3(36+9)
3(45)
165

3(9)-12
27-12
15
User Marco Sanchez
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7.3k points
4 votes
the answer is 108+3s i think but not 100% sure
User Nilo Araujo
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8.8k points