Question

How do you solve `\frac { 3} { 4} = \frac { n - 2} { 2}`?

Answer 1

`n=7/2`

Explanation:

`3/4=(n-2)/2`

• Multiply both sides by 2
  `3/4*color(red)2=(n-2)/2*color(red)2`
  `3/4*color(red)2=(n-2)/cancel(2)*cancel(color(red)2)`
• `3/2=n-2`
  `3/2+color(red)2=n-2+color(red)2`
  `3/2+color(red)(4/2)=n-cancel(2)+cancel(color(red)2)`

`7/2=n`