exam Maths Puzzle Numerical Ability

I need help with 2 problems.

1.Solve the equation (5-2x)^2=25 by using the Square Root Property:

2. Solve: 6/x+1 + 2 = 3/x

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exam Other Question

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A certain amount of 8% solution must be added to another amount of a 5% salt solution to produce a total of 36 ounces of a 6% solution. How many ounces of each solution is needed? The degree measure of an angle and its complement are consecutive even integers find the measure of each angle.