X = -2
explanation: after combining like terms the ends up at 4x = -8 and then divide by 4 on both sides and end up with x = -2
Answer:
10km
Step-by-step explanation:
6^2+8^2=100
sqrt 100=10
N+4=13
-4 -4
n = 9
the sum of a number(n) and 4 that is no larger than 13 is 9