The equation is .
Apply subtraction property of equality: Subtract form each side.
(Apply commutative property:
)
(Additive inverse property:
)
(Additive identity property:
)
\
Find the least common denominator (LCD).
\Multiples of 12: 12,24,36,48,..........
\Multiples of 18: 18,36,51,..........
\The least common multiple of 12 and 18 is 36.
\Rewrite each fraction with a common denominator of 36.
\Rewrite fractions using the LCD 36.
\
(Subtract numerators:
)
To check the solution, substitute in original equation.
(Add:
)
(Divide:
)
The equation is true.
The value is .