Answer:
63
Step-by-step explanation:
a=9
7a
7(9)
63
Answer/Step-by-step explanation:
Recall: 
a. 
b. 
c. 
Answer:
9
Solution:
Write it in an algebraic form (x is your number)
2x-11=7
Now solve
2x=7+11=18
X=18/2=9
Answer:
The answer is 15
Step-by-step explanation:
hope this helps
Simplify
f(x) = 3 + 11
Multiple
fx = 3x + 11
<span>Solving for variable 'f'.
Move all terms containing f to the left, all other terms to the right.
Divide each side by 'x'.
f = 11x-1 + 3
Simplifying
f = 11x-1 + 3
Reorder the terms:
f = 3 + 11x<span>-1</span></span>