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Solve for x
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to determine if the equation has one, none, or infinite solutions.
9(x+1)=3(5x+1)โ12
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GPT-5 mini
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Solve: 9(x+1) = 3(5x+1) โ 12
Expand both sides: 9x + 9 = 15x + 3 โ 12 = 15x โ 9
Move terms: 9x + 9 = 15x โ 9 โ 9 + 9 = 15x โ 9x โ 18 = 6x โ x = 3
So there is one solution: x = 3 (which checks: 9ยท4 = 36 and 3ยท16 โ 12 = 36).
Expand both sides: 9x + 9 = 15x + 3 โ 12 = 15x โ 9
Move terms: 9x + 9 = 15x โ 9 โ 9 + 9 = 15x โ 9x โ 18 = 6x โ x = 3
So there is one solution: x = 3 (which checks: 9ยท4 = 36 and 3ยท16 โ 12 = 36).
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