Question

I need the answer but I don’t quite understand

Answer 1

r = 90

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

1. Brackets
2. Parenthesis
3. Exponents
4. Multiplication
5. Division
6. Addition
7. Subtraction

• Left to Right

Equality Properties

Explanation:

Step 1: Define

(r - 74)/4 = 4

Step 2: Solve for r

1. Multiply 4 on both sides: r - 74 = 16
2. Add 74 on both sides: r = 90