Question

1. 6a - 11 = 13

Explanation:

Step1: Isolate the term with $a$

Add 11 to both sides of the equation:
$6a - 11 + 11 = 13 + 11$
Simplify to get:
$6a = 24$

Step2: Solve for $a$

Divide both sides by 6:
$\frac{6a}{6} = \frac{24}{6}$
Simplify to get the value of $a$.

Answer:

$a = 4$