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4x + 7 - 2x = 15 sp x=___
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GPT-5 mini
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Solve: 4x + 7 - 2x = 15
Combine like terms: (4x - 2x) + 7 = 15 → 2x + 7 = 15
Subtract 7: 2x = 8
Divide by 2: x = 4
Check: 4(4)+7-2(4)=16+7-8=15.
Combine like terms: (4x - 2x) + 7 = 15 → 2x + 7 = 15
Subtract 7: 2x = 8
Divide by 2: x = 4
Check: 4(4)+7-2(4)=16+7-8=15.
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