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3x -5 = log base2 1024
Log base 2 1024 can be rewritten log (base 2) 2^10
log (base 2) 2^10 =
10 * log (base 2) 2
log (base 2) 2 = 1
So 10 * log (base 2) 2 = 10
3x -5 = 10
Add 5 to both sides
3x = 15
Divide both sides by 3
x = 5