exam Maths Puzzle Numerical Ability

Solve log(x) + log(x-3)=1

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exam Other Question

Can you help me with this problem.

Find the solution sets for

(sqrt2x+1) - (sqrt x) = 1
The measure of a supplement of an angle is four more than three times the angle. How much is the angle and the supplement?

I got: 44 degrees, 136 degrees

Not sure if this is correct.
Thanks~