Question

How do you solve `8/x = 12/(x + 2)`?

Answer 1

`x=4`

Explanation:

Multiply both sides of the equation by `x*(x+2)`, yielding `8*(x+2) = 12x`. Expanding, one gets `8x+16 = 12x`. Subtracting 8x from both sides of the equation, one gets `16 = 4x`. So, `x=4`.