Question

How do you solve `60+30x=390`?

Answer 1

`x=11`

Explanation:

Isolate the `x` term by subtracting `60` from each side.

`60color(blue)(-60) +30x =390color(blue)(-60)`

`30x = 330`

`(30x)/30 = 330/30" "larr` divide by `30` to find `x`

`x = 11`