Answer:
n = 5
Step-by-step explanation:
4n + 25 = 5n + 20
25 - 20 = 5n - 4n
5 = n or n =5
Hope this help you :3
4n+25=5n+20
Move 5n to the other sign. Sign changes from +5n to -5n.
4n-5n+25=5n-5n+20
4n-5n+25=20
-n+25=20
Move +25 to the other sign. Sign changes from +25 to -25.
-n+25=25=20-25
-n=- 5
Multiply by -1 to get +n
-1(-n)=-5(-1)
n=5
Answer: n=5
