The answer is Y = 63
Here's how I got my answer:
Step 1: Add 4 to both sides. Which leaves us with 
Step 2: Simplify
to 9. Which leaves us with 
Step 3: Multiply both sides by 7. Which leaves us with, your answer, Y = 63
Answer:
The First one
Step-by-step explanation:
Just divide r/s and substitute x by 6.
Answer:
Step-by-step explanation: