Q1)
5x + 9y = 74
3x + 9y = 66
[ x = 4, y = 6 ]

Q1)
10x + 6y = 58
6x -6y = 6
[ x = 4, y = 3 ]

Q1)
5x + 5y = 35
3x -5y = 5
[ x = 5, y = 2 ]

Q2)
9x + 2y = 73
4x + 2y = 38
[ x = 7, y = 5 ]

Q2)
3x + 4y = 46
2x -4y = 4
[ x = 10, y = 4 ]

Q2)
2x + 5y = 34
10x + 10y = 110
[ x = 7, y = 4 ]

Q3)
6x + 7y = 57
5x + 7y = 51
[ x = 6, y = 3 ]

Q3)
4x + 7y = 88
8x -7y = 8
[ x = 8, y = 8 ]

Q3)
5x + 5y = 100
2x + 10y = 120
[ x = 10, y = 10 ]

Q4)
2x + 7y = 30
2x + 5y = 26
[ x = 8, y = 2 ]

Q4)
6x + y = 53
7x -y = 51
[ x = 8, y = 5 ]

Q4)
7x + 3y = 57
6x + 6y = 66
[ x = 6, y = 5 ]

Q5)
5x + 4y = 61
5x + 2y = 53
[ x = 9, y = 4 ]

Q5)
6x + y = 33
10x -y = 31
[ x = 4, y = 9 ]

Q5)
9x + 3y = 63
6x -6y = 18
[ x = 6, y = 3 ]

Q6)
8x + 4y = 76
7x + 4y = 69
[ x = 7, y = 5 ]

Q6)
4x + 6y = 66
8x -6y = 6
[ x = 6, y = 7 ]

Q6)
2x + y = 26
9x -5y = 60
[ x = 10, y = 6 ]

Q7)
9x + 6y = 99
7x + 6y = 81
[ x = 9, y = 3 ]

Q7)
4x + 6y = 48
5x -6y = 6
[ x = 6, y = 4 ]

Q7)
6x + y = 66
5x -4y = 26
[ x = 10, y = 6 ]

Q8)
6x + 6y = 66
6x + 4y = 60
[ x = 8, y = 3 ]

Q8)
7x + 10y = 58
9x -10y = 6
[ x = 4, y = 3 ]

Q8)
7x + 5y = 57
2x + 10y = 42
[ x = 6, y = 3 ]

Q9)
4x + 7y = 103
3x + 7y = 93
[ x = 10, y = 9 ]

Q9)
4x + 6y = 52
9x -6y = 39
[ x = 7, y = 4 ]

Q9)
5x + 2y = 66
6x + 4y = 92
[ x = 10, y = 8 ]

Q10)
10x + 9y = 57
10x + 4y = 42
[ x = 3, y = 3 ]

Q10)
3x + 7y = 72
9x -7y = 48
[ x = 10, y = 6 ]

Q10)
4x + y = 10
9x + 2y = 22
[ x = 2, y = 2 ]