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The equation is .
(Apply subtraction property of equality: If a = b, then )
(Subtract from each side)
(Apply commutative property of addition: )
(Apply additive inverse property: )
(Apply additive identity property: )
Find the Least Common Denominator (LCD) of improper fraction and .
Find the Least Common Multiple of 3 and 7.
Multiples of 3:
Multiples of 7:
The least common multiple of 3 and 7 is 21, the LCD is 21.
Rewrite each fraction using the least common denominator (LCD).
and
Rewrite the subtract using the LCD.
(Subtract: )
Check:
To check the solution substitute the value in original equation.
(Subtract: )
The equality is true.
The value of .
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