# Worksheet on Simultaneous Linear Equations

Practice each pair of the equation problems from the worksheet on simultaneous linear equations with the two variables and two linear equations. Solving simultaneous linear equations with two variables by using the method of substitution to solve each pair of the equations and also solve the equations by using the method of elimination.

1. Use the method of substitution to solve each other of the pair of simultaneous equations:

(a) x + y = 15                    x - y = 3

(b) x + y = 0                      x - y = 2

(c) 2x - y = 3                   4x + y = 3

(d) 2x - 9y = 9               5x + 2y = 27

(e) x + 4y = -4               3y - 5x = -1

(f) 2x - 3y = 2                  x + 2y = 8

(g) x + y = 7                  2x - 3y = 9

(h) 11y + 15x = -23        7y - 2x = 20

(i) 5x - 6y = 2                6x - 5y = 9

2. Solve each other pair of equation given below using elimination method:

(a) x + 2y = -4                        3x - 5y = -1

(b) 4x + 9y = 5                      -5x + 3y = 8

(c) 9x - 6y = 12                      4x + 6y = 14

(d) 2y - (3/x) = 12                   5y + (7/x) = 1

(e) (3/x) + (2/y) = (9/xy)       (9/x) + (4/y) = (21/xy)

(f) (4/y) + (3/x) = 8             (6/y) + (5/x) = 13

(g) 5x + (4/y) = 7                    4x + (3/y) = 5

(h) x + y = 3                         -3x + 2y = 1

(i) -3x + 2y = 5                       4x + 5y = 2

3. Solve the following simultaneous equations:

(a) 3a + 4b = 43                      -2a + 3b = 11

(b) 4x - 3y = 23                      3x + 4y = 11

(c) 5x + (4/y) = 7                    4x + (3/y) = 5

(d) 4/(p - 3) + 6/(q - 4) = 5       5/(p - 3) - 3/(q - 4) = 1

(e) (l/6) - (m/15) = 4               (l/3) - (m/12) = 19/4

(f) 3x + 2y = 8                        4x + y = 9

(g) x - y = -1                         2y + 3x = 12

(h) (3y/2) - (5x/3) = -2           (y/3) + (x/3) = 13/6

(i) x - y = 3                           (x/3) + (y/2) = 6

(j) (2x/3) + (y/2) = -1             (-x/3) + y = 3

(k) 5x + 8y = 9                       2x + 3y = 4

(l) 3 - 2(3a - 4b) = -59            (a - 3)/4 - (b - 4)/5 = 2¹/₁₀

Answers for the worksheet on simultaneous linear equations are given below to check the exact answers of the above questions on system of linear equations.

1. (a) x = 9, y = 6

(b) x = 1, y = -1

(c) x = 1, y = -1

(d) x = 261/49, y = 9/49

(e) x = -8/23, y = -21/23

(f) x = 4, y = 2

(g) x = 6, y = 1

(h) x = -3, y = 2

(i) x = 4, y = 3

2. (a) x = -2, y = -1

(b) x = -1, y = 1

(c) x = 2, y = 1

(d) x = -1/2, y = 3

(e) x = 3, y = 1

(f) x = 1/2, y = 2

(g) x = -1, y = 1/3

(h) x = 1, y = 2

(i) x = -21/23, y = 26/23

3. (a) a = 5, b = 7

(b) x = 5, y = -1

(c) x = -1, y = 1/3

(d) p = 5, q = 6

(e) l = -2, m = -65

(f) x = 2, y = 1

(g) x = 2, y = 3

(h) x = 141/38, y = 53/19

(i) x = 9, y = 6

(j) x = -3, y = 2

(k) x = 5, y = -2

(l) a = 5, b = -4

Simultaneous Linear Equations

Simultaneous Linear Equations

Comparison Method

Elimination Method

Substitution Method

Cross-Multiplication Method

Solvability of Linear Simultaneous Equations

Pairs of Equations

Word Problems on Simultaneous Linear Equations

Word Problems on Simultaneous Linear Equations

Practice Test on Word Problems Involving Simultaneous Linear Equations

Simultaneous Linear Equations - Worksheets

Worksheet on Simultaneous Linear Equations

Worksheet on Problems on Simultaneous Linear Equations

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