$\"\"$

The function is $\"\"$ .

$\"\"$ (Substitute: $\"\"$ )

Apply addition property of equality: If a = b then a + c = b + c.

$\"\"$ (Add 4 to each side)

$\"\"$ (Apply additive inverse property: $\"\"$ )

$\"\"$ (Apply additive identity property: $\"\"$ )

$\"\"$ (Add: $\"\"$ ) $\"\"$

Apply division property of equality: If a = b then $\"\"$ .

$\"\"$ (Divide each side by 10)

$\"\"$ (Cancel common terms)

$\"\"$ (Divide: $\"\"$ ) $\"\"$

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