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6-21.

Determine if the statement below is always, sometimes, or never true. Justify your conclusion. Homework Help ✎

2(3 + 5x) = 6 + 5x

Simplify both sides as much as possible and see if they are equal to each other.

6 + 10x ≠ 6 + 5x.

So, it is not true for all values of x. But is there any value of x that makes the statement true?

Yes, The statement is sometimes true since x = 0 makes the statement true.