The given equation is .
(Apply distributive property: a( b + c ) = ab + ac)
(Multiply:
)
(Group like terms)
(Apply distributive property: ab + ac = a( b + c ))
(Add:
)
Apply subtraction property of equality: Subtract 3 from each side.
\\
(Subtract:
)
Apply division property of equality: Divide each side by negative 3.
\ (Cancel common terms)
(Divide:
)
Check:-
\To check the solution,substitute in
.
(Add:
)
(Multiply:
)
\
(Apply additive identity property:
)
The value of .