Step-2

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

(8x + 15y) - (3x - 12y)

2

Formula:

After eleminating the brackets we get

8x + 15y - 3x + 12y

3

Step

Grouping like terms together

(8x - 3x) + (15y + 12y)

4

Step

After adding we get

5x + 27y

5

Answer

B


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