12 sessions.
EXPLANATION:
each session is 1 3/4 hours.
We need enough sessions for 21 hours.
the equation is 1 3/4 x f = 21
using the multiplication property of equality, we can do 21 divided by 1 3/4
The answer is 12 sessions.
Hope it helps!
8m-6= 2(4m-3)
all you needed to do was to divide 2 into every
term
Hope this helps
Answer:

Step-by-step explanation:
3 is correct answer
hope it helped you:)
24+x=14
you can get it by subtracting 24 from 14
therefor the answer issa
x=-10
Answer:
x = 
Step-by-step explanation:
Given
5xy + a = c ( isolate 5xy by subtracting a from both sides )
5xy = c - a ( isolate x by dividing both sides by 5y )
x = 