The equation is
. \ \
\
(Multiply each side by 3)
(Cancel common terms)
According to subtraction property of equality; if a = b than a
c = b
c.
(Subtract a from each side)
(Additive inverse property:
)
Verify:
\To check the solution, substitute
in original equation.

(Additive inverse property:
)
\
(Cancel common terms)
Compare the values, the equation is true.
\The value of y is
.