Answer:
[tex]\huge\boxed{n=-3}[/tex]
Step-by-step explanation:
[tex]-40-6n=2(1+4n)\\\\\text{Distribute the right side: }\left \{ {{2*1=2} \atop {2*4n=8n}} \right.\\\\-40-6n=2+8n\\\\-40+40-6n=2+8n+40\\\\-6n=42+8n\\\\-6n-8n=42+8n-8n\\\\-14n=42\\\\\frac{-14n}{-14}=\frac{42}{-14}\\\\\boxed{n=-3}[/tex]
Answer:
-3 = n
Step-by-step explanation:
-40 - 6n= 2(1 + 4n)
Distribute
-40 -6n= 2+8n
Add 6n to each side
-40 -6n+6n = 2+8n+6n
-40 = 2+14n
Subtract 2
-40-2 = 2+14n-2
-42 = 14n
Divide by 14
-42/14 = 14/14
-3 = n
