Question

How do you solve `30( g + 9) = 870`?

Answer 1

`color(blue)(g = 20`

Explanation:

`30(g + 9) = 870`

`(g + 9) =cancel( 870)^color(red)(29) / cancel(30)`

`g + 9 = 29`

`g = 29 - 9 = color(blue)(20`