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11 August, 02:30

Simplify 2x - 9y + 4x + 11y by combining like terms and then evaluate at x = - 2

and y = 4.

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  1. 11 August, 02:55
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    Step-by-step explanation:

    = 2x - 9y + 4x + 11y

    First of all combining like terms

    So

    = 2x + 4x - 9y + 11y

    = 6x + 2y

    Now putting values

    = 6 (-2) + 2 (4)

    = - 12 + 8

    = - 4
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