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29 October, 12:41

Solve the equation. 6d - 3d + 2d - 6 = 4d

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  1. 29 October, 16:34
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    The first thing you should do when solving equations is to check for like terms. If you do find any like terms, combine them.

    6d - 3d + 2d - 6 = 4d

    On the left-hand side, we can combine the d terms.

    6d - 3d + 2d - 6 = 4d

    5d - 6 = 4d

    The next is to get the variable we're trying to solve for all alone. To do that, we'll have to add / subtract / multiply / divide on both sides of the equation.

    5d - 6 = 4d

    -6 = - d

    Here I subtract 5d from each side of the equation which resulted the d variable almost being all alone. It's being multiplied by a - 1, which is the reason why it has a negative sign. To get rid of the - 1, divide both sides by - 1.

    -6 = - d

    -6 / - 1 = - d / - 1

    6 = d

    So, d is equal to 6.
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