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21 August, 05:00

16+5x=8x-5 What would the variable be?

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  1. 21 August, 08:50
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    16+5x = 8x-5

    Reorder the terms

    16+5x = - 5+8x

    Solving for variable for x

    Move all terms containing x to the left, all other terms to the right.

    Add - 8x to each side of the equation.

    16 + - 3x = - 5 + 8x + - 8x

    Combine like terms: 5x + - 8x=-3x

    16+-3x = - 5 + 8x + - 8x

    Combine like terms: 8x + - 8x = 0

    16+-3x = - 5 + 0

    16 + - 3x = - 5

    Add - 16 to each side of the equation

    16+-16 + - 3x = - 5 + 16

    Combine like terms: 16 + - 16 = 0

    0 + - 3x = - 5 + - 16

    -3x = - 5 + - 16

    combine like terms: - 5 + - 16 = - 21

    -3x = - 21

    Divide each side by - 3

    x=7
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