Answer:
x = 4
Step-by-step explanation:
11x= 6x +20
-6x -6x
(subtract 6x from both sides)
5x = 20
/5x /5x
divide 5x from both sides
x=4
Answer:

Step-by-step explanation:

just multiply across
-k*7=-7k
5*5=25

hope this helps
3+3= 6ft
11+9= 20 inches
20-12= 8
So 7ft 8 inches tall together
Answer:
Confusing but I got the width is either 12 or 20
12 × 20 = 240 = area check
64 = perimeter = 12 + 12 + 20 + 20 = check
it does not give specifics on what is length so it's one of the 2 which ever one is the width the other is length