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4 March, 05:27

Solve this (7x+2=3x-2) Proof you are an expert and you do know

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  1. 4 March, 06:35
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    So, 7x + 2 = 3x - 2 / - 3x;

    7x - 3x + 2 = 3x - 3x - 2;

    4x + 2 = 0 - 2;

    4x + 2 = - 2; / - 2

    4x + 2 - 2 = - 2 - 2;

    4x = - 4; / : 4

    x = - 1.

    The solution is - 1.
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