$\"\"$

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The standard form of line equation is $\"\"$ and the points are $\"\"$ where $\"\"$ .

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To find the value of B, substitute the value of $\"\"$ in the standard form of line equation $\"\"$ .

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$\"\"$

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$\"\"$

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Divide each side by a.

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$\"\"$

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$\"\"$ . $\"\"$

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To find the value of A, substitute the value of $\"\"$ in the standard form of line equation $\"\"$ .

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$\"\"$

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$\"\"$

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Divide each side by b.

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$\"\"$

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$\"\"$ . $\"\"$

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To write the completed equation, substitute the values of $\"\"$ in the standard form of line equation $\"\"$ .

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$\"\"$

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Multiply each side by $\"\"$ .

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$\"\"$

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$\"\"$

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Cancel common terms.

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$\"\"$ . $\"\"$

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The equation is $\"\"$ .