Question

Write an algebraic expression to represent each verbal expression.

Twice the sum of a number and 8

Short answer

The expression is $2\left(x+8\right)$.

Step-by-step solution

Step 1. Observe the provided statement

According to the statement, there is an unknown number so consider that number be x. There is an addition.

Step 2. Use the observation

By using the observation from the expression.

$2\left(x+8\right)$

Step 3. Make the conclusion

As the obtained expression is completely matching with the provided statement, so the expression $2\left(x+8\right)$ is the required expression.