First, simplify out the brackets:
-20 - 4n = -12
Then, combine like terms by moving the -20 to the other side
-4n = -12 + 20
-4n = 8
Divide by -4 on both sides to isolate the n
n = 8/-4
n = -2
Answer:
-2
Step-by-step explanation:
-4(5+n) =-12
-20-4n=-12
-4n=8
n=-2
