Question

If you add five to twice a number the results is fifteen. What is the number?

Answer 1

The number is 5.

Step-by-step explanation:

Let,

x represent the unknown number.

According to given statement;

add five to twice a number the results is fifteen

2x + 5 = 15

Subtracting 5 from both sides

$2x+5-5=15-5\\2x=10$

Dividing both sides by 2

$\frac{2x}{2}=\frac{10}{2}\\x=5$

The number is 5.

Keywords: variable, addition

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