Question

How do you solve equations with rational expressions `1/x+2/x=10`?

Answer 1

`x = 3/10`

Explanation:

`1/x + 2/x = 10`

First, let's get rid of the fractions by multiplying everything by `color(blue)x`:
`x(1/x + 2/x = 10)`

`1 + 2 = 10x`

Simplify the left hand side:
`3 = 10x`

Now to solve for `x`, divide both sides by `color(blue)10`:
`3/color(blue)10 = (10x)/color(blue)10`

Therefore,
`3/10 = x`

`x = 3/10`

Hope this helps!