Q1)
9x + 10y = 160
9x + 8y = 146
[ x = 10, y = 7 ]

Q1)
9x + 6y = 93
6x -6y = 42
[ x = 9, y = 2 ]

Q1)
5x + y = 60
4x + 3y = 70
[ x = 10, y = 10 ]

Q2)
8x + 5y = 83
8x + 4y = 76
[ x = 6, y = 7 ]

Q2)
3x + 4y = 61
8x -4y = 16
[ x = 7, y = 10 ]

Q2)
8x + y = 38
9x + 9y = 90
[ x = 4, y = 6 ]

Q3)
10x + 8y = 92
5x + 8y = 82
[ x = 2, y = 9 ]

Q3)
9x + 8y = 129
10x -8y = 42
[ x = 9, y = 6 ]

Q3)
6x + y = 39
10x + 9y = 131
[ x = 5, y = 9 ]

Q4)
5x + 9y = 82
5x + 2y = 26
[ x = 2, y = 8 ]

Q4)
3x + 2y = 43
5x -2y = 29
[ x = 9, y = 8 ]

Q4)
3x + y = 24
7x + 7y = 98
[ x = 5, y = 9 ]

Q5)
9x + 5y = 90
9x + 2y = 63
[ x = 5, y = 9 ]

Q5)
3x + 4y = 33
2x -4y = 2
[ x = 7, y = 3 ]

Q5)
5x + y = 45
7x + 2y = 66
[ x = 8, y = 5 ]

Q6)
6x + 5y = 87
5x + 5y = 80
[ x = 7, y = 9 ]

Q6)
8x + 4y = 64
9x -4y = 4
[ x = 4, y = 8 ]

Q6)
8x + y = 82
9x -3y = 51
[ x = 9, y = 10 ]

Q7)
4x + 8y = 72
2x + 8y = 68
[ x = 2, y = 8 ]

Q7)
5x + 2y = 44
3x -2y = 4
[ x = 6, y = 7 ]

Q7)
2x + 2y = 32
4x -2y = 22
[ x = 9, y = 7 ]

Q8)
5x + 6y = 78
5x + 5y = 70
[ x = 6, y = 8 ]

Q8)
6x + 2y = 36
7x -2y = 16
[ x = 4, y = 6 ]

Q8)
8x + 2y = 90
7x -6y = 9
[ x = 9, y = 9 ]

Q9)
9x + 7y = 119
5x + 7y = 91
[ x = 7, y = 8 ]

Q9)
9x + 3y = 60
3x -3y = 12
[ x = 6, y = 2 ]

Q9)
8x + 3y = 40
6x + 9y = 84
[ x = 2, y = 8 ]

Q10)
7x + 3y = 79
4x + 3y = 49
[ x = 10, y = 3 ]

Q10)
3x + 9y = 30
6x -9y = 6
[ x = 4, y = 2 ]

Q10)
7x + y = 58
10x + 5y = 90
[ x = 8, y = 2 ]