$\"slope-intercept$ $\"\"$

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The line equation in slope-intercept form is $\"\"$ , where m is

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the slope and b is the y-intercept.

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First find the slope of the line.

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$\"\"$

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$\"\"$ (Substitute $\"\"$ )

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$\"\"$ (Product of two same signs is positive)

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$\"\"$ (Add: 2 + 1 = 3)

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$\"\"$ (Add: 1 + 2 = 3)

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$\"\"$ (Divide: $\"\"$ ) $\"\"$

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Next find the y-intercept value by replacing m with 1, y with $\"\"$ and x with $\"\"$ in

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the equation $\"\"$ .

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$\"\"$

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

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$\"\"$ (Add 2 to each side)

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$\"\"$ (Simplify)

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$\"\"$ (Add: $\"\"$ ) $\"\"$

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Replace m with 1 and b with 1 in the slope-intercept form line equation $\"\"$ .

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$\"\"$

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$\"\"$ (Simplify) $\"\"$

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The slope-intercept form line equation is $\"\"$ .