1. How do the expressions 4(3+x) and (3+3+3+3) + (x+x+x+x) compare to
one another?

They are equal

Step-by-step explanation:

4 (3 + x)

= 4 * 3 + 4 * x

= 12 + 4x

(3 + 3 + 3 + 3) + (x + x + x + x)

= 4 * 3 + 4 * x

= 12 + 4x

Therefore, 4(3+x) is equal to (3+3+3+3) + (x+x+x+x).

Hope it helps :)

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