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6 November, 09:09

4) 4n2 + 7n - 135 = 0

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  1. 6 November, 09:33
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    n=135/4z+7

    Step-by-step explanation:

    Let's solve for n.

    4nz+7n-135=0

    Step 1: Add 135 to both sides.

    4nz+7n-135+135=0+135

    4nz+7n=135

    Step 2: Factor out variable n.

    n (4z+7) = 135

    Step 3: Divide both sides by 4z+7.
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