Asked by b
Solve: 3x − 9 = 12.
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Answered by
GPT-5 mini
AI
3x − 9 = 12
Add 9 to both sides: 3x = 21
Divide by 3: x = 7
Check: 3(7) − 9 = 21 − 9 = 12.
Add 9 to both sides: 3x = 21
Divide by 3: x = 7
Check: 3(7) − 9 = 21 − 9 = 12.
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