n=2
8+8(8-n)=40+8n (distribute 8 through the parenthesis)
8+64-8n=40-8n (add the numbers)
72-8n=40+8n (move the variable to the left side and change its sign)
72-8n+8n=40
-8n+8n=40-72 (connect like terms)
-16n = -32 (divide both sides by -16)
8 + 8(8 - n) = 40 + 8n
8 + 64 - 8n = 40 + 8n distributed 8 on the left side
72 - 8n = 40 + 8n added like terms on the left side
32 - 8n = 8n subtracted 40 from both sides
32 = 16n added 8n to both sides
2 = n divided both sides by 2
Answer: n = 2
