charlidamelio01
charlidamelio01 charlidamelio01
  • 10-02-2020
  • Mathematics
contestada

Evaluate 7w - 14 when w =8 Show two ways to find the same value of the expression and make sure that one way uses distributive property

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kudzordzifrancis
kudzordzifrancis kudzordzifrancis
  • 17-02-2020

Answer:

42

Step-by-step explanation:

First Method

In this case we will substitute w=8 directly into the expression and solve:

[tex]7w - 14[/tex]

When x=8, we get:

[tex]7(8) - 14[/tex]

This gives us:

[tex]56 - 14 = 42[/tex]

Second Method:

This time we factor

[tex]7w - 14 = 7(w - 2)[/tex]

when w=8,

[tex]7(8 - 2) = 7 \times 6 = 42[/tex]

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