Chapter 1.8, Problem 44P

Find the solution of each equation using mental math or a table. If the solution lies between two consecutive integers, identify those integers.

$d+8=10$

To determine

To solve: $d+8=10$

Answer to Problem 44P

The solution is $d=2$ .

Explanation of Solution

Given information: $d+8=10$

Calculation:

  $\begin{array}{l}d+8=10\\ \Rightarrow d=10-8\\ \Rightarrow d=2\end{array}$

Thus, the solution is $d=2$ .