So, initially 240

-212

were empty:
this is :

12/4 is 4 so that's why i substituted it with 4.
now, later 27 1/3 were used so we add this tho the original empty space

=

=
which is the result!
Answer:
6
Step-by-step explanation:
24 = 2L + 2(6), multiply...
24 = 2L + 12, subtract 12 to both sides...
12 = 2L, divide 2 to both sides to isolate the varibale L
6 = L
Therefroe, L = 6
Answer:

Step-by-step explanation:
The given expression is

Factor the first two and the last two.


Apply difference of two squares to the leftmost factor.

Answer:
19/4
Step-by-step explanation:
0.5=12/10a-5.2
1/2=6/5a-26/5
5=12a-52
-12a=-57