

The equation is
.
\
Using Distributive property:
simplify the left side.

\
(Multiply:
)
(Distributive property:
)
\
(Multiply:
)
(Commutative property:
)
(Add:
)
\
(Add:
)
Addition property of equality: If a=b then
.
\
(Subtract 76 from each side)
(Additive inverse property:
)
(Additive identity property:
)
(Subtract:
)
\
(Divide each side by 30)
(Cancel common terms) \ \
(Divide:
)
Check:
\\
\
To check the solution, substitute
in original equation.

(Multiply:
)
(Subtract:
)
(Multiply:
)
(Subtract:
)
Compare the values, the equation is true. The solution is
.
\ \
The value of
.