Step-by-step explanation:
you know by using the x and y coordinates of the point in the equations and see, if both equations are still true. 
if yes, it was a solution, and if just only one is false, then it was not a solution.
(3, -2) in
y + 4x = 10
5x - y = 13
so, 
-2 + 4×3 = 10
-2 + 12 = 10
10 = 10 true
5×3 - (-2) = 13
15 + 2 = 13
17 = 13 false
so, it was NOT a solution.
 
        
             
        
        
        
Answer:
Well it is i think
Step-by-step explanation:
98.8 I don't know tho
 
        
             
        
        
        
Answer:
y = -2/3x + 3
Step-by-step explanation:
y = -2/3x + b
5 = -2/3(-3) + b
5 = 2 + b
3 = b
 
        
             
        
        
        
I would minus 2 from both sides of the equation so that it becomes:
