How do you solve 4( n + 4) = 48?

2 Answers
Jul 12, 2018

Divide by 4

n+4=12

Subtract 4

n=8

Jul 12, 2018

n=8

Explanation:

We start with
\color(red)(4)(n+4)=48

Divide by 4 to cancel multiplication:
(\cancel(\color(red)(4))(n+4))/\cancel(\color(red)(4))=48/\color(red)(4)
n+\color(blue)(4)=12

Subtract 4 to cancel addition:
n\cancel(+\color(blue)(4))\cancel(-\color(blue)(4))=12-\color(blue)(4)
n=8

You have successfully isolated your variable, solving for its value :-)