$\"\"$ $\"\"$ $\"\"$

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The equation is $\"\"$ .

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The above equation is solve for "z".

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Apply multiplication property of equality: Multiply each side by z.

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$\"\"$

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$\"\"$ (Cancel common terms)

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$\"\"$ (Multiply: $\"\"$ ) $\"\"$

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Combine like terms using distributive property: ab $\"\"$ ac = a(b $\"\"$ c).

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$\"\"$

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The LCM of x,y is xy.

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Rewrite the equation using LCD.

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$\"\"$ $\"\"$

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Apply subtraction property of equality: Subtract 1 from each side.

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$\"\"$

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$\"\"$ (Apply additive inverse property: $\"\"$ )

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$\"\"$ (Apply additive identity property: a + 0 = a) $\"\"$

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Apply subtraction property of equality: Subtract z from each side.

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$\"\"$

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$\"\"$ (Apply commutative property of addition: $\"\"$ )

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$\"\"$ (Apply additive inverse property: $\"\"$ )

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$\"\"$ (Apply additive identity property: $\"\"$ )

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Combine like terms using distributive property: ab $\"\"$ ac = a(b $\"\"$ c).

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$\"\"$ (Cancel common terms) $\"\"$

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Apply division property of equality: Divide each side by $\"\"$ .

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$\"\"$

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$\"\"$ (Cancel common terms) \ \ $\"\"$

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The solution is $\"\"$ .