Step-3

Title: Add the expressions

Grade: 7-a Lesson: S3-L1

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

Lesson Steps

Step Type Explanation Answer

1

Problem

Given that:
x+2y-3z, 2x-y+2z, 3x+2y-2z

2

Hint

Add the terms

x+2y-3z+2x-y+2z+3x+2y-2z

3

Step

collecting the like terms

(x+2x+3x) + (2y-y+2y) + (-3z+2-2z)

4

Step

Taking variables as common

x(1+2+3) + y(2-1+2) - 3z

5

Step

Adding the terms

6x+3y-3z

6

Answer

C

Tutor: Questions

Seq Type Question Audio

1

Problem

What did you learn from this problem?

2

Clue

What did you learn from the clues?

3

Hint

What did you learn from the Hints?

4

Step

What did you learn from the Steps?

5

Step

How can we improve the Steps?


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