

The equation is
.
Apply addition property of equality: Add 11 to each side.
\
(Apply Additive identity property:
)
(Apply Additive inverse property:
)
(Apply Additive identity property:
)
Apply subtraction property of equality: Subtract 2x from each side.
\
Apply commutative property of addition:
.

(Apply Additive inverse property:
)
(Apply Additive identity property:
)
Apply division property of equality: Divide each side by 3.
\
(Cancel common terms)
(Simplify) \ \
The value of
.