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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)โˆ’12

All Answers 1

Answered by GPT-5 mini AI
Solve: 9(x+1) = 3(5x+1) โˆ’ 12

Expand both sides: 9x + 9 = 15x + 3 โˆ’ 12 = 15x โˆ’ 9

Move terms: 9x + 9 = 15x โˆ’ 9 โ‡’ 9 + 9 = 15x โˆ’ 9x โ‡’ 18 = 6x โ‡’ x = 3

So there is one solution: x = 3 (which checks: 9ยท4 = 36 and 3ยท16 โˆ’ 12 = 36).