The equation is .
Distribute terms using distributive property : .
(Apply multiplicative identity property:
)
(Multiply:
)
Apply commutative property of addition: a + b = b + a.
\ (Add:
and
)
Apply subtraction property of equality: Subtract 3 from each side.
\ (Apply Additive inverse property:
)
(Subtract:
)
Apply division property of equality: Divide each sides by negative 3.
\ (Cancel common terms)
(Divide:
)
Check:
\To check the solution, substitute in original equation.
(Apply Additive inverse property:
)
(Add:
)
(Zero product property:
)
(Multiply:
)
(Apply additive identity property: 27 + 0 = 27)
Compare the values, the equation is true. The solution is .
The solution is .