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28 March, 02:01

Find the value of each expression when a=-2 b=-3 and c=5

5a-4b+6c

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  1. 28 March, 02:04
    0
    Substitute the values in.

    5 (-2) - 4 (-3) + 6 (5).

    5 * - 2 = - 10.

    4 * - 3 = - 12

    6 * 5 = 30.

    The expression is therefore - 10 - - 12 + 30, or - 10 + 12 + 30.
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