The equation is .
Apply subtraction property of equality: Subtract from each side.
Apply commutative property of addition: .
(Apply additive inverse property:
)
(Subtract:
)
Apply subtraction property of equality: Subtract from each side.
(Apply additive inverse property:
)
(Apply distributive property:
)
(Subtract:
)
Apply Multiplication property of equality: Multiply each side by 8.
\ (Cancel common terms)
(Multiply:
)
Apply division property of equality: Divide each side by negative 2.
\ (Cancel common terms)
(Multiply:
)
(Divide:
)
Check:
\To check the solution, substitute in original equation
.
(Multiply:
)
(Multiply:
)
To subtract the fractions denominators must be equal.
\Find the least common denominator(LCD)
\Multiples of 12: 12,24,36,48,60....
\Multiples of 24: 24,48,72,120....
\The least common multiple of 12 and 24 is 24.
Rewrite each fraction with a common denominator of 24.
\
(LCM is 24)
(Subtract:
)
The equality is true.
The value of .