Answer:
z = 2
General Formulas and Concepts:
Pre-Algebra
Order of Operations: BPEMDAS 
- Brackets 
 - Parenthesis 
 - Exponents 
 - Multiplication 
 - Division 
 - Addition 
 - Subtraction 
 
Equality Properties
Explanation:
Step 1: Define
2z - 3 = 1
Step 2: Solve for z
- Add 3 on both sides: 2z = 4
 - Divide 2 on both sides: z = 2