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5 May, 19:27

What is x + 4z - 5 - 3x, when x = 2 and z = 3x?

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  1. 5 May, 19:47
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    15

    Step-by-step explanation:

    Since we know x = 2 and z = 3x, let's find z by substituting the value for x into z:

    z = 3 (2) = 6

    Now that we have the values of both x and z, we can substitute them into the expression and simplify:

    x + 4z - 5 - 3x

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

    = 2 + 24 - 5 - 6

    = 15
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