How do you solve #-4y - 15= 8y + 9#?
1 Answer
Jun 22, 2017
Explanation:
When solving one-variable equations, the goal is to isolate that variable.
The first step is to put all
Subtract
Then, add 15 on both sides.
Last, you divide -12 on both sides to completely isolate
In summary, to isolate variables you just have to perform the inverse of operations until the variable is completely on its own.