

The equation is
.
Apply division property of equality: Divide each side by 4.
\
(Cancel common terms)
(Divide:
)
Apply addition property of equality: Add 5 to each side.
\
(Apply additive inverse property:
)
(Apply additive identity property:
)
(Add:
)
Check:
\To check the solution, substitute
in original equation.

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