if x=3 what is the value of 7x+24

1 answer

To find the value of \( 7x + 24 \) when \( x = 3 \), substitute 3 for \( x \):

\[ 7(3) + 24 \]

Calculating this gives:

\[ 21 + 24 = 45 \]

Therefore, the value of \( 7x + 24 \) when \( x = 3 \) is \( 45 \).