Question

Find the value of the expression 4a + 7 when a equals 1/2

Answer 1

9

Step-by-step explanation:

Given the expression:

`4a+7`

When the value of a =1/2

`\begin{gathered} 4a+7=4((1)/(2))+7 \\ =2+7 \\ =9 \end{gathered}`

The value of the expression when a=1/2 is 9.