To solve the equation \(5t + 3 + 1 = 19\), we need to isolate the variable \(t\). First, combine the constants on the left side of the equation. Then, subtract the combined constant from both sides to isolate the term with \(t\). Finally, divide by the coefficient of \(t\) to solve for \(t\).
Step 1: Combine Constants
Combine the constants on the left side of the equation:
\[ 5t + 3 + 1 = 19 \]
\[ 5t + 4 = 19 \]
Step 2: Isolate the Term with \( t \)
Subtract 4 from both sides to isolate the term with \( t \):
\[ 5t + 4 - 4 = 19 - 4 \]
\[ 5t = 15 \]
Step 3: Solve for \( t \)
Divide both sides by 5 to solve for \( t \):
\[ t = \frac{15}{5} \]
\[ t = 3 \]