$\"\"$

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The equation is $\"\"$ .

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Find the rate of change.

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The linear equation is $\"\"$ .

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$\"\"$ .

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$\"\"$ (Original equation)

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$\"\"$ (Subtract $\"\"$ from each side)

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

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$\"\"$ (Multiply each side by $\"\"$ )

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$\"\"$ (Cancel common terms)

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$\"\"$ (Divide each side by $\"\"$ )

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$\"\"$ (Cancel common terms)

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$\"\"$ (Rewrite the equation)

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$\"\"$ (Simplify)

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Compare the both equations are $\"\"$ .

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Therefore, the rate of change of the equation is $\"\"$ .

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$\"\"$

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The rate of change of the equation is $\"\"$ .