2x-8=x+4
Get the x to the other side and the 8 to the opposite
2x-x=4+8
X=12
Step-by-step explanation:
13.70 square inches of the box is empty
Its 8
not sure how to show the work but drew a pic and its 8
Answer:
3 more students need to sign up
Step-by-step explanation:
Let the equal number of students in 9 teams be x.
Total number of signed up students = 690.
Let t be the required number of students to be signed.
Therefore, 9x = 690+t.
This means, 690+t is a multiple of 9.
The least value of t to make 690+t, a multiple of 9 is 3 and hence,

= 77
Hence, 3 more students need to sign up and each of the 9 teams consists of 77 students.