book Maths Puzzle Numerical Ability

Solve the following equation for x:

10 + x/2 = x/3 -5

/ indicates a fraction

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book Other Question

Please help me solve this equation

y^3z^n(y^3^nz^3-4yz^2^n)
Show EACH step in solving each of the following equations. Show which method (factoring, square root method, completing the square, or quadratic formula) you used to solve it and tell why.
a: (x + 2)^2 = 8