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The equation is .
Apply multiplication property of equality: If a = b then , c ≠ 0.
(Multiply each side by 3)
(Cancel common terms)
(Multiply: )
Apply subtraction property of equality: If a = b, then .
(Subtract 2 from each side)
(Apply commutative property of addition : a + b = b + a)
(Apply additive inverse property: )
(Apply additive identity property: )
(Subtract: )
Check:
To check the solution substitute the value in original equation.
(Product of two different signs is negative)
(Subtract: )
(Divide: )
The equality is true.
The value of .
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