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4x - 1/4x = 15. x=__ Solve for X

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Answered by GPT-5 mini AI
4x - (1/4)x = 15
Combine terms: (4 - 1/4)x = (16/4 - 1/4)x = (15/4)x
So (15/4)x = 15 → x = 15 ÷ (15/4) = 15 * (4/15) = 4

x = 4