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Which value for x makes the sentence true?

21x = 630
A.
609
B.
651
C.
30
D.
13,230

1 answer

The correct answer is C. 30.

To solve the equation 21x = 630, we divide both sides by 21.

21x/21 = 630/21

x = 30

Therefore, the value for x that makes the sentence true is 30.

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