Answer: I think the answer would be b) 24+2x=5x
sry if it's wrong
Answer:
9
Step-by-step explanation:
54+81=9(6+9)
9 times 9 equals 81
Answer: 32x + 72
Step-by-step explanation:
8*4x +8*9
32x +72
The pentagon has a sum of interior angles of 540 degrees.
Therefore,
(4x + 5) + (5x - 5) + (6x + 10) + (4x + 10) + 7x = 540;
26x = 520;
x = 20;