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23 February, 12:04

A number added to itself seven additional times is fourteen more than the number. What is the number?

a. 9/14B. 2C. 7D.-2

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  1. 23 February, 13:44
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    Let's make an equation.

    X will be the number.

    When we are adding a number to itself seven additional times, we are basically multiplying the number.

    x+x+x+x+x+x+x+x=8x

    8x=x+14

    Let's subtract x from both sides.

    7x=14

    Let's divide.

    14:7=2=x

    So, B. 2.
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