how to solve these

[buoyant ice]

A quadratic equation in 1/x.
2.
A linear equation.
3.
Multiply by (x + 1) to get a qudratic equation.
4.
A quadratic equation in 1/y.
5.
Multiply both sides by (4x + 5) to get a quadratic equation.
6.
Multiply both sides by (x - 2)(x + 3) to get a quadratic equation.
7.
Multiply by x to get a quadratic equation.
8.
Multiply by 3(x - 5) to get a quadratic equation.
9.
Multiply by 5x to get a quadratic equation.
10.
a). Bring the two terms to a common denominator.
b). Multiply both sides by x(x - 1) to get a quadratic equation.

[swift field]

Thanks