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28 February, 22:29

Which expression is equivalent to 4x+20?

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  1. 28 February, 22:35
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    4x+20=

    6x-10

    Step-by-step explanation:

    Simplifying: 4x + 20 = 6x + - 10

    Reorder the terms: 20 + 4x = 6x + - 10

    Reorder the terms: 20 + 4x = - 10 + 6x

    Solving: 20 + 4x = - 10 + 6x

    Solving for variable 'x'.

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

    Add '-6x' to each side of the equation: 20 + 4x + - 6x = - 10 + 6x + - 6x

    Combine like terms: 4x + - 6x = - 2x: 20 + - 2x = - 10 + 6x + - 6x

    Combine like terms: 6x + - 6x = 0: 20 + - 2x = - 10 + 0: 20 + - 2x = - 10

    Add '-20' to each side of the equation: 20 + - 20 + - 2x = - 10 + - 20

    Combine like terms: 20 + - 20 = 0: 0 + - 2x = - 10 + - 20: - 2x = - 10 + - 20

    Combine like terms: - 10 + - 20 = - 30: - 2x = - 30

    Divide each side by '-2': x = 15

    Simplifying: x = 15
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