SUBSTITUTION METHOD WORKSHEET

In this page substitution method worksheet we are going to see some practice in the form of quiz.

What does mean by substitution method ?

Solving system of equation by substitution method, involves solving any one of the given equation for either 'x' or 'y' and plugging that in the other equation and solve that equation for another variable.

Question 1 :

Solve the following equations by substitution method 

x - 5y + 17 = 0 and 2x + y + 1 = 0

Options :

(A)    (2 , 8)  

(B)   (-2 , 3)

(C)   (-2 , 5)               Solution

Question 2 :

Solve the following equations by substitution method

5x - 3y - 8 = 0 and 2x - 3y - 5  = 0

Options :

(A)  (1 , -1)  

(B)   (-2 , 1)

(C)   (1 , 0)              Solution 

Question 3 :

Solve the following equations by substitution method

4x - 7y = 0 and 8x - y - 26 = 0

Options :

(A)   (1/2 , 3)  

(B)   (-7/2 , 1)

(C)   (7/2 , 2)          Solution

Question 4 :

Solve the following equations by substitution method 

3x + 5 y - 6 = 0 and 5x - y - 10 = 0

Options :

(A)  (2 , 0)   

(B)   (-7 , 1)  

(C)   (-1 , 2)            Solution

Question 5 :

Solve the following equations by substitution method

2x + 3y = 5 and 3x + 4y = 7

Options :

(A)   (1 , 1)   

(B)   (0 , 1) 

(C)   (2 , 0)              Solution 

Question 6 :

Solve the following equations by substitution method

5x + 6y = 25 and 3x - 4y = 10

Options :

(A)    (8/19,5/38)  

(B)   (80/19,25/38)

(C)   (17/19,5/38)                  Solution 

Question 7 :

Solve the following equations by substitution method

4x - 3y = 3 and 3x + 2y = 15

Options :

(A)  (9,5)  

(B)   (8,2)   

(C)   (3,3)                 Solution 

Question 8 :

Solve the following equations by substitution method

3x + 2y = 11 and 7x - 3y = 41

Options :

 (A)  (5,-2)  

(B)   (8,2)   

(C)   (7,5)            Solution

Question 9 :

Solve the following equations by substitution method

5x + 3y = 11 and 3x + 5y = -3

Options :

(A)  (-5,0)  

(B)   (-8,2)  

(C)   (4,-3)                  Solution

Question 10 :

Solve the following equations by substitution method

2x - y = 15 and 5x + 3y = 21

Options :

 (A)  (6,-3)

(B)  (5,1)

(C)  (1,0)                  Solution

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Sum of all three four digit numbers formed with non zero digits

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