Simplify, you get 12n+4=-6n-14. You simplify even more to get n=-1.
Answer:
x = 132
Step-by-step explanation:
180 - 48 = 132
speed =s=80
distance=d
time=t
S = D/T
80=D/T
24/30 *2/2
12/15 * 3/3
4/5