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4 March, 08:08

ect the best answer for the question. 3. Rewrite the equation x + y + 3 = - 2x + 4y + 18 into standard form (ax + by = c). A. 3x - 3y = 5 B. x - y = 5 C. x - y = 15 D. x + y = 5

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  1. 4 March, 11:12
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    B

    Step-by-step explanation:

    To rewrite the equation x + y + 3 = - 2x + 4y + 18, first combine like terms.

    x + y + 3 = - 2x + 4y + 18

    3x - 3y + 3 = 18

    3x - 3y = 15

    This is the standard form.

    It can also be simplified by dividing each term by 3 to x - y = 5.
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