Chapter 8.2, Problem 51S

To determine

To Evaluate : The expression $2y-1$ if $x=-2$ and $y=3$ .

Answer to Problem 51S

The required solution is 5.

Explanation of Solution

Given information:

The expression $2y-1$

  $x=-2$ and $y=3$

Calculation:

  $2y-1$

Plugging $y=3$

  $\begin{array}{l}=\left(2\cdot 3\right)-1\\ =6-1\\ =5\end{array}$