Answer:
[B] $6.88
Step-by-step explanation:
3x+3
add up x-3,x+6 and x
combine like terms
x+x+x-3+6=3x+3
Answer: B( hope this helps)
Definition of negative exponent:
In our case, a = 3 and -n = -2.
Now we just evaluate the power in the denominator.
-3x+6 = -4x
6 = -x
x = -6
check:
-6*-3 = 18 +6 =24
-6*-4 = 24
number = -6