Step-3

Title: Difference of the expressions

Grade: 6-a Lesson: S3-L6

Explanation: Hello Students, time to practice and review the steps for the problem.

Lesson Steps

Step Type Explanation Answer

1

Problem

Find the difference

(12x + 5y) - (7x - 6y)

2

Formula:

After eleminating the brackets we get

12x + 5y - 7x - 6y

3

Step

Grouping like terms together

(12x - 7x) + (5y - 6y)

4

Step

After adding we get

5x - y

5

Answer

A


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