Step-4

Title: Solve the expression using different signs

Grade: 7-a Lesson: S2-L1

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

Lesson Steps

Step Type Explanation Answer

1

Problem

Determine the value of an expression when s = 12:
\$ 64/4(2s-7) + (5s)/2 + 8 \$

2

Step

Substitute s value in the expression

\$ 64/4(2(12)-7) + (5(12))/2 + 8 \$

3

Step

After Simplification we get

\$ \cancel(64)^16/\cancel(4)^1(24-7) + 60/2 + 8 \$

4

Step

After cancellation

\$ 16(17) + \cancel(60)^30/\cancel(2)^1 + 8 \$

5

Step

After simplification

272 + 30 + 8

6

Step

After simplification

310

7

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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