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

The equation is $\"\"$ .

According to Multiplication property of equality: if $\"\"$ , then $\"\"$ .

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

$\"\"$ (Cancel common terms)

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

$\"\"$ (Cancel common terms) $\"\"$

According to addition property of equality: if a = b, then a + c = b + c.

$\"\"$ (Add 2 to each side)

$\"\"$ (Apply Assosiative property: a + (b + c) = (a + b) + c)

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

$\"\"$ (Apply Additive identitty property: b + 0 = b) $\"\"$

The solution is $\"\"$ .