chalowiee9763 chalowiee9763

09-07-2018
Mathematics

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A number added to itself seven additional times is fourteen more than the number. What is the number?
a.9/14B.2C.7D.–2

Respuesta :

perixwinkle perixwinkle

11-07-2018

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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