Answer:0n=0
Step-by-step explanation:
-2n+9+2n=9
-9 -9
———————
-2n+2n=0
-2n -2
0n=0
Answer:
(Both sides are equal) True for all n
-2n + 9 + 2n = 9
Subtract 9 from both sides:
-2n + 9 + 2n - 9 = 9 - 9
Simplify:
-2n + 2n = 0
Add similar elements:
0 = 0
(I hope this helped)
