Question

How do you solve for x in `1/2x=20`?

Answer 1

`x=40`

Explanation:

Given: `1/2x=20`

Multiply by `2` to both sides.

`color(red)cancelcolor(black)(1/2)x*color(red)cancelcolor(black)2=20*2`

`x=20*2`

`=40`