

The equation is
.
According to addition property of equality: if a = b, then a + c = b + c.
\
(Add
to each side)
(Commutative property: a + b = b + a)
(Additive inverse property:
)
Find the least common denominator (LCD).
\Multiples of 15: 15,30,45,60,.....
\Multiples of 5: 5,10,15,20,.........
\The least common multiple of 15 and 5 is 15.
\Rewrite each fraction with a common denominator of 15.
\

(LCM is 15)
(Add: 2 + 3 = 5)
According to Multiplication property of equality: if
, then
.
(Multiply each side by 9)
(Cancel common terms)
(Multiply:
)
(Divide:
)
According to addition property of equality: if a = b, then
.
(Divide each side by negative 4)
(Cancel common terms)
Check:
\To check the solution, substitute
in original equation.

(Multiply:
)
Find the least common denominator (LCD).
\Multiples of 5: 5,10,15,20,25,.........
\Multiples of 3: 3,6,9,12,15,18,21,.........
\The least common multiple of 3 and 5 is 15.
\Rewrite each fraction with a common denominator of 15.
\

(LCM is 15)
(Add: - 3 + 5 = 2)
Compare the values, the equation is true. The solution is
.
The value of
.