Question

please help me out thanks!

Answer 1

Answer:

$\frac{-1}{8}$

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

Step-by-step explanation:

Step 1: Define

$\frac{b+7}{2a}$

a = -4

b = -6

Step 2: Evaluate

1. Substitute:                     $\frac{-6+7}{2(-4)}$
2. Multiply:                         $\frac{-6+7}{-8}$
3. Add:                               $\frac{1}{-8}$
4. Rewrite:                         $\frac{-1}{8}$