Question

Evaluate the expression when w=-11.5, x=-9, and y=7.4W-x+y

Answer 1

Given the expression;

`w-x+y`

and the values of x,y and w as;

`\begin{gathered} w=-11.5 \\ x=-9 \\ y=7.4 \end{gathered}`

substituting the given values;

`\begin{gathered} w-x+y \\ =-11.5-(-9)+7.4 \\ =-11.5+9+7.4 \\ =4.9 \end{gathered}`

Therefore, the value of the expression is;