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7 May, 05:36

Order the equations from least to greatest based on the number of solutions to each equation. 3x-3=2x-2 - 4x-1=3 (-x) - 2 - 3x+6=2x+1

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  1. 7 May, 08:27
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    Given equations:

    a) 3x-3=2x-2

    b) - 4x-1=3 (-x) - 2

    c) - 3x+6=2x+1

    Let us solve them one by one.

    a) 3x-3=2x-2

    Adding 3 on both sides, we get

    3x-3+3=2x-2+3

    3x=2x

    Subtracting 2x from both sides we get

    3x-2x=2x-2x

    x=0.

    Therefore, only one solution 0.

    b) - 4x-1=3 (-x) - 2

    Multiplying 3 and - x on right side, we get

    -4x-1 = -3x - 2.

    Adding 1 on both sides, we get

    -4x-1+1 = -3x - 2+1

    -4x = -3x-1

    Adding 3x on both sides, we get

    -4x+3x = -3x+3x-1

    -x = - 1.

    Dividing both sides by - 1.

    -x/-1 = - 1/-1

    x=1.

    Therefore, one solution 1.

    c) - 3x+6=2x+1

    Subtracting 6 from both sides, we get

    c) - 3x+6-6=2x+1-6

    -3x = 2x - 5.

    Subtracting 2x from both sides, we get

    -3x-2x = 2x-2x - 5.

    -5x = -5.

    Dividing both sides by - 5, we get

    -5x/-5 = - 5/-5

    x=1.

    Therefore, all equations has one solution.

    Solution for first equation 0.

    Solution for second equation 1.

    Solution for third equation 1.
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