Question

solve this fastt so I can make u brainlist​

Answer 1

Answer:

7x + 7 = 77 cm

7x = 77 - 7 cm

7x = 70

x = 10 (Ans)

Answer 2

Answer:

(x+1)+(x+1)+(2x+1)+(2x+2)+(x+2)=77

7x+7=77

7(x+1)=77

x+1=77/7

x+1=11

x=11-1

x=10

10 is the value of x