Answer:
The slope of any horizontal line is zero, 0. All points that lie on the line have a negative coordinate.
Horizontal Lines A horizontal line is a line whose equation is of the form =, where is a real number. All points that lie on the line have a -coordinate of . The slope of any horizontal line is zero, 0.
Step-by-step explanation:
Oka
Subtract or multiple
x = -2
2x + 4 = 0
2x = -4
2x/2 = -4/2
it's long there's some calculations in de side hope its helpful
