

The expression is
.
(Substitute
in the expression)
(Multiply:
)
Apply to addition property of equality: Add 24 to each side.
\
Rearrange the terms using commutative property of addition:
.

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

(Multiply:
)
(Add:
)
Compare the values, the equation is true.
The solution is
.