Question

What is the value of 4 x minus 7 when x = 4?191623

Answer 1

Solution:

Given:

$4x-7$

when x = 4,

$\begin{gathered} Substitute\text{ }x=4\text{ into }4x-7 \\ 4x-7=4(4)-7 \\ =16-7 \\ =9 \end{gathered}$

The answer is 9.