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4 June, 22:05

Solve for x d (-3+x) = kx+9

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  1. 5 June, 00:04
    0
    1. Write the equation:

    d (-3 + x) = kx + 9

    2. "Open" the parenthesizes:

    -3d + dx = kx + 9

    3. Take kx to the left side, - 3d to the right, everything with different sign ( + replace with - when transferring, - replace with + ):

    dx - kx = 9 + 3d

    4. Factor x in the left side:

    x (d - k) = 9 + 3d

    5. Finally, divide the whole equation by (d - k):

    x = (9 + 3d) / (d - k)

    That's the final answer. Good luck!
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