Answer:

Step-by-step explanation:
Tip: When  ,
,  is also true.
 is also true.
 | <em>Original equation</em>
   | <em>Original equation</em>
 | <em>Use tip</em>
      | <em>Use tip</em>
 
        
                    
             
        
        
        

              y - y₁ = m(x - x₁)
               y - 1 = 1³/₅(x - 2) Point - Slope Form
               y - 1 = 1³/₅(x) - 1³/₅(2)
               y - 1 = 1³/₅x - 3¹/₅
                 + 1           + 1
                    y = 1³/₅x - 2¹/₅ Slope - Intercept Form
         -1³/₅x - y = 1³/₅x - 1³/₅x - 2¹/₅
          -1³/₅x - y = -2¹/₅
     -1(-1³/₅x - y) = -1(-2¹/₅)
-1(-1³/₅x) + 1(y) = 2¹/₅
           1³/₅x - y = 2¹/₅ Standard Form
         1³/₅(0) - y = 2¹/₅
                0 - y = 2¹/₅
                    -y = 2¹/₅
                    -1    -1 
                     y = -2¹/₅ Y - Intercept
               (x, y) = (0, -2¹/₅)
 
        
             
        
        
        
Answer:
17
Step-by-step explanation:
Let the larger number be represented by x 
Let the smaller number be represented by y
from the question, the next equations can be gotten : 
x - y = 9  equation 1 
x = 1 + 2y equation 2 
Substitute for x in equation 1 
1 + 2y - y = 9 
1 + y = 9 
Collect like terms 
y = 9 - 1 
y = 8 
Substitute for y in equation 1 and solve for x (the larger number) 
x - 8 = 9 
x = 9 + 8 
x = 17
 
        
             
        
        
        
The answer to the problem is x=2