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18 August, 04:01

Is it 1 solution, no solution or infinite solution?

-28 = - 7 (3x + 4) + 21

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  1. 18 August, 04:36
    0
    x = 1 because - 7 (3x + 4) must be - 49 so 3x + 4 must me 7 so x = 1
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