Question

Ranger wants to verify that the expression 8x – 20 is the correct simplified expression for 4(2x – 5). Explain how to verify the simplified expression.

Answer 1

Answer:

Step-by-step explanation:

To verify, a number needs to be substituted for x in both expressions. Use order of operations to simplify and find the value. The value needs to be the same for both expressions to prove

Answer 2

We are to explain how to verify the simplified expression

The expression is simplified by opening the parenthesis.

Given:

4(2x – 5)

Open parenthesis

= 4 × 2x + 4 × -5

= 8x - 20

8x - 20 = 0

8x = 20

divide both sides by 8

x = 20/8

x = 5/2

Therefore, the expression is simplified by opening the parenthesis.

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