Answer:
1/2
Step-by-step explanation:
The given equation is:
y + 2x = 6
Rewrite y + 2x = 6 in the form y = mx + 6
y = -2x + 6
where m = -2
The line perpendicular to y = -2x + 6 will have a slope of:

Therefore, the slope of every line that is perpendicular to the graph of the equation y + 2x = 6 is 1/2