Chapter 8.5, Problem 43CCR

To determine

To simplify the expression $y+10y$

Answer to Problem 43CCR

  $11y$

Explanation of Solution

Given information:

The expression, $y+10y$

Concept used:

Rules of Addition/ Subtraction:

• Two numbers with similar sign always get added and the resulting number will carry the similar sign.
• Two numbers with opposite signs always get subtracted and the resulting number will carry the sign of larger number.

Calculation:

In order to simplify the given expression, by add the like terms as shown below

  $\begin{array}{c}y+10y\\ =11y\end{array}$

Thus, the given expression simplifies to $11y$