**Question: **Solve \[\frac{1}{a}+\frac{1}{b}=\frac{1}{c}\] for *a*.

## Algebra: Solving Equations and Factoring – #29542

**Question: **Given the system of equations below, solve using any appropriate method:

3x + 6y = 21

-5x + y = 20

**Question: **Given the system of equations below, solve using any appropriate method:

3x + 6y = 21

-5x + y = 20