Step-5

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

(17x - 6y) - (-25x - 9y)

2

Formula:

After eleminating the brackets we get

17x - 6y + 25x + 9y

3

Step

Grouping like terms together

(17x + 25x) + (-6y + 9y)

4

Step

After adding we get

42x + 3y

5

Answer

D


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