Answer:
-1 = n
Step-by-step explanation:
4n+5=6n+7
Subtract 4n from each side
4n-4n+5=6n-4n+7
5 = 2n +7
Subtract 7 from each side
5-7 = 2n+7-7
-2 = 2n
Divide each side by 2
-2/2 = 2n/2
