
Given equation is
. \ \
(Subtract 2x from each side)
(Commutative property: a+b=b+a)
(Additive inverse property:
)

(Add 19 to each side)
(Additive inverse property:
)
(Add:
)

(Subtract:
) \ \
(Multiply each side by 2) \ \
(Cancel common terms) \ \
(Multiply:
)
\
(Divide each side by 3)
(Cancel common terms)
(Divide:
)
The value of
.
The option H is correct. \ \