Answer:
2n - 4.
Step-by-step explanation:
(n+8) + (n−12)
= n + 8 + n - 12
= n + n + 8 - 12
= 2n - 4.
2n-4
add like terms. n+n=2n 8+-12=-4
It's 81
2^5 is 2*2*2*2*2 or 32
7^2 is 7*7 or 49
Add them together... 81
it only has 1 term
yeah
hmm
