Answer:
y = -49
General Formulas and Concepts:
Pre-Algebra
Order of Operations: BPEMDAS 
- Brackets 
 - Parenthesis 
 - Exponents 
 - Multiplication 
 - Division 
 - Addition 
 - Subtraction 
 
Equality Properties
Explanation:
Step 1: Define
-7 = y/7
Step 2: Solve for y
- Multiply 7 on both sides: -49 = y
 - Rewrite: y = -49