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9 October, 03:51

What expression is equal to 7 (3 - x) + 1?

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  1. 9 October, 06:45
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    7 (3-x) + 1 ... first you're going to distribute

    21-7x+1 ... then combine like terms

    22-7x ... subtract 22 from both sides to get the variable X alone.

    -7x=-22

    x=3.14
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