Answer:
a=20
Step-by-step explanation:
7+13=20
20-7=13
You have to divide the two numbers, which will give you 1.5151515151... So if you round It will give you: 1.51
Distribute
-12 -6a = -48
Add 12 to isolate -6a
-6a = -36
Divide by -6 on both sides to isolate a
a = 6
Answer:
(3+d)(9-3d+d^2)
Step-by-step explanation:
a^3 + b^3 = (a+b)(a^2-ab+b^2)
a= 3
b= d
