$\"\"$ $\"\"$

The equation is “ $\"\"$ ”

According to multiplication Property of equality: If $\"\"$ then, $\"\"$ .

$\"\"$ (Multiply each side by 7)

According to Multiplicative inverse property: $\"\"$ .

$\"\"$

$\"\"$ (Multiply: $\"\"$ ) $\"\"$

The value of $\"\"$ is $\"\"$ .

The Multiplicative inverse and equality property are used.