21. Broooooo, This is baby stuff!
Answer:
90
Step-by-step explanation:
Answer:
x = 
Step-by-step explanation:
Given
kx - c = 9 ( add c to both sides )
kx = 9 + c ( isolate x by dividing both sides by k )
x = 
24/6=4 students
Pencils divided by how many each receive
(c/b) - x = 2d
(c/b) = 2d + x
c = b(2d + x)
c = 2db + bx
ac + bd = x
ac = x - bd
c = (x - bd) / a OR c = (x/a) - (bd/a)