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Answer:
x = 7.5 Hope This Helps :)
Step-by-step explanation:
3(x + 4.5) = 36
3x + 13.5 = 36
3x + 13.5 = 36
- 13.5 - 13.5
3x = 22.5
3x/3 = 22.5/3
x = 7.5