The slope-intercept form is , where is the slope and is the y-intercept.

Simplify .

Apply the distributive property.

Combine and .

Cancel the common factor of .

Move the leading negative in into the numerator.

Factor out of .

Cancel the common factor.

Rewrite the expression.

Multiply by .

Move all terms not containing to the right side of the equation.

Add to both sides of the equation.

Add and .

Rewrite in slope-intercept form.

Write in y=mx+b Form y-12=-1/2(x-4)