\(3 \frac{1}{3}\)
Explanation
First use the distributive law to write 3(2x –1) as 6x –3. This makes the equation 6x –3 + 6 = 23. Simplifying further, 6x +3 = 23. Subtracting 3 from both sides, 6x =20. Dividing both sides by 6, \(x=20 / 6=10 / 3=3 \frac{1}{3}\)