Answer:
Step-by-step explanation:
Given the equation 
Step 1;
Expand the bracket at the right hand side of the equation to have:

Taking the reciprocal of both sides:

Well if it is a number like .933333333 you will have to round it, So now it is .93 and .93 in a fraction is 93/100
Answer:
-8 + 14n
Step-by-step explanation:
-2(4-4n)+6n
Distribute the -2
-8 +8n+6n
Combine like terms
-8 + 14n
First term(a)=2
D=8
Now
t13=a*12D
=2*12*8=192
Answer= 192