7x+2=23
Move 2 to the other side
7x=23-2
7x=21
To isolate the x divide both sides by 7
x=3
To check plug the value of x back in
7(3)+2=23
21+2=23
23=23
250-225=25 seats empty. Place what you want/total=(25/250)x100=0.1x100=10% of the seats are empty.
Answer:
16
Step-by-step explanation:
if angle c is 45 then angle A is 45 also
Hence AB is equal to BC
Answer:
the answers are:x1=-4 and x2=5
Attached the solution and work.
