3(2x - 1) - 10 = 8 + 5x
6x - 3 - 10 = 8 + 5x // Apply distributive property
6x - 13 = 8 + 5x // Combine like terms
x - 13 = 8 // Take away 5x from both sides
x = 21 // Add 13 to both sides
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Answer: x = 21
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