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

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

and b is the y-intercept.

$\"\"$ (Original Equation) $\"\"$

$\"\"$ (Add 9 to each side)

$\"\"$ (Additive inverse property: $\"\"$ )

$\"\"$ (Additive identity property: $\"\"$ ) \ \

$\"\"$ (Add: 4 + 9 = 13) $\"\"$ \

The line equation in Slope-intercept form is $\"\"$ .