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Which statement of equality shows two expressions that both correctly represent the model below?

Which statement of equality shows two expressions that both correctly represent the-example-1

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We have 8 units of 1 and 2 units of x.

We can group them as:


8\cdot1+2x=8+2x=2(4+x)

as 2 is the common factor.

Answer: the expression that correctly represents the sum of blocks is:

8+2x=2(4+x) [Second option]

User Luis Casillas
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