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19 September, 14:39

2. Solve each given equation and show your work. Tell whether it has one solution, an infinite number of solutions, or no solutions, and identify each equation as an identity, a contradiction, or neither.

(a) 6x + 4x - 6 = 24 + 9x

(b) 25 - 4x = 15 - 3x + 10 - x

(c) 4x + 8 = 2x + 7 + 2x - 20

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  1. 19 September, 14:58
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    A) 6x + 4x - 6 = 24 + 9x

    10x - 9x = 24 + 6

    x = 30

    b) 25 - 4x = 15 - 3x + 10 - x

    25 - 4x = 25 - 4x

    Infinite Solutions.

    c) 4x + 8 = 2x + 7 + 2x - 20

    4x - 4x = 7 - 20 - 8

    0 = - 22

    No solution
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