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23 April, 12:38

What is the answer for 7x - (7+3x)

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  1. 23 April, 12:50
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    4x - 7

    Step-by-step explanation:

    We can simplify this expression by subtracting the binomial (a bracket with two terms) and collecting like terms (numbers with the same variable).

    When subtracting a binomial, are actually multiplying each term in the binomial by negative one.

    7x - (7 + 3x)

    = 7x - 1 (7 + 3x) Distribute - 1 to each of the numbers

    = 7x + (7 * (-1) + 3x * (-1)) Multiply

    = 7x + (-7 - 3x) Get rid of the brackets.

    = 7x - 7 - 3x Combine like terms

    = 4x - 7 Simplified expression
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