Mathematics Homework Help

Mathematics Homework Help. Multi-step equations

The problem on my homework is, Joel has twice as many CDs as Mariella. Subtracting 7 from the number of CDs Joel has and dividing by 3 equals the number of CDs Blake has. If Blake has 25 CDs, how many CDs does Mariella have? Can anyone on here please help me?

Mathematics Homework Help

 
"Our Prices Start at $11.99. As Our First Client, Use Coupon Code GET15 to claim 15% Discount This Month!!"