Question

Solve for N 9/8 - (5n)/(4n+8) = 2/(n+2)

Answer 1

n =2

Answer 2

9/8=2/(n+2)+5n/(4(n+2)
9/8=8/(4(n+2))+5n/(4(n+2))
9/8=(8+5n)/(4n+8)
9(4n+8)=8(8+5n)
36n+72=64+40n
8=4n
n=2

Answer 3

note:the n+2 factor gets cancelled out.