Question

solve the equation $7(x - 2)=21$ for $x$, $x = \square$

Explanation:

Step1: Divide both sides by 7

$\frac{7(x - 2)}{7} = \frac{21}{7}$
$x - 2 = 3$

Step2: Add 2 to both sides

$x - 2 + 2 = 3 + 2$
$x = 5$

Answer:

5