That is the equation for a straight line....
Find the y axis intercept by setting x = 0
Find the x axis intercept by setting y= 0 Plot those points....then draw the line through them......
Set y= 0 0 = -7/3 x + 2
-2 = -7/3 x ----------> x = 6/7 y = 0 plot that point
Set x= 0 y = (-7/3)(0) + 2 -------> x= 0 y = 2 plot that point then draw a line through the two points.....
y = (-7/3) + 2
The y intercept is at 2 ⇒ (0 , 2)
The slope of the line is -7 / 3
Go down 7 units from (0, 2) = (0, 2 - 7) = (0, -5)
Go to the right by 3 units from this point = [ 0 + 3, -5) = (3, -5)
Plot the two coordinates in red and draw a line through them....this is the graph
It should look like this : https://www.desmos.com/calculator/ejl49oydio