Using base 10 logarithms, the equation becomes

2*Log[x] ≈ .90309 (look up the log of 8)

Log[x] ≈ .451545 (divide both sides by 2)

2*Log[x] ≈ .90309 (look up the log of 8)

Log[x] ≈ .451545 (divide both sides by 2)

**x ≈ 2.8284**(take the anti-log of both sides)