Question

(8y - 7) - (y - 4) =
subtract expression

Answer 1

Answer:

7y -3

Step-by-step explanation:

(8y - 7) - (y - 4) =

Distribute the subtraction sign

8y - 7 - y + 4 =

Combine like terms

8y-y -7+4

7y -3

Answer 2

Answer:

7y - 3

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

Distributive Property

Algebra I

• Terms/Coefficients

Step-by-step explanation:

Step 1: Define

(8y - 7) - (y - 4)

Step 2: Simplify

1. Distribute negative:                    8y - 7 - y + 4
2. Combine like terms (y):               7y - 7 + 4
3. Combine like terms (Z):              7y - 3