Question

5x + 4y if x=3 y=7 ?

Answer 1

In order to evaluate this expression for x = 3 and y = 7, let's use these values in the expression and calculate its final value. So we have:

`\begin{gathered} 5x+4y \\ =5\cdot3+4\cdot7 \\ =15+28 \\ =43 \end{gathered}`

So the value of this expression for x = 3 and y = 7 is 43.