The expression is .
According to Multiplication property of equality: if , then
.
(Multiply each side by 3)
(Cancel common terms)
(Multiply:
)
According to division property of equality: if , then
.
(Divide each side by 2)
(Cancel common terms)
(Divide:
)
Check:
\Substitutive the value on original equation
(Multiply:
)
(Divide:
)
The solution .