Answer:
x = 8
Step-by-step explanation:
Since the triangle is isosceles then the 2 legs are congruent.
Given the perimeter is 66, then sum the 3 sides and equate to 66, that is
x + 4x - 3 + 4x - 3 = 66 , that is
9x - 6 = 66 ( add 6 to both sides )
9x = 72 ( divide both sides by 9 )
-6
Yes, as long as it's between the two numbers
51) -4 and 1
52) -1 and -3
53) -9 and -10
24 i'm pretty sure sorry if i am wrong
Answer: 8x
Step-by-step explanation: add it normally but carry the x
362880 times
I hope this helps