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27 February, 18:32

The sum of 1 and 3 times a number is 22

A. X = 4

B. X = 6

C. X = 7

D. X = 9

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  1. 27 February, 19:50
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    C. x = 7

    1 + 3 * x = 22

    1 + 3x = 22

    Subtract 1 from both sides.

    3x = 21

    Divide both sides by 3.

    x = 7
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