Question

1. $19 + p = 11$

Explanation:

Step1: Isolate the variable $p$

Subtract 19 from both sides of the equation.
$19 + p - 19 = 11 - 19$

Step2: Simplify both sides

Calculate the result of the subtraction.
$p = 11 - 19$

Answer:

$p = -8$