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21 March, 10:25

Solve the equation and write the solution set.

|4x - 8| - 3x = 6x + 2

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  1. 21 March, 13:25
    0
    |4x-8|-3x=6x+2

    Add 3x to both sides.

    |4x-8|-3x+3x=6x+2+3x

    |4x-8|=9x+2

    Solve Absolute Value.

    |4x-8|=9x+2

    4x-8=9x+2 or 4x-8 = - (9x+2)

    4x-8=9x+2

    4x-8-9x=9x+2-9x (Subtract 9x from both sides)

    -5x-8=2

    -5x-8+8=2+8 (Add 8 to both sides)

    -5x=10

    -5x/-5 = 10/-5 (Divide both sides by - 5)

    x=-2

    4x-8 = - (9x+2)

    4x-8=-9x-2 (Simplify both sides of the equation)

    4x-8+9x=-9x-2+9x (Add 9x to both sides)

    13x-8=-2

    13x-8+8=-2+8 (Add 8 to both sides)

    13x=6

    13x/13=6/13 (Divide both sides by 13.)

    x = 6/13
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