Q1)
6x + 9y = 150
2x + 9y = 110
[ x = 10, y = 10 ]

Q1)
8x + 6y = 86
9x -6y = 33
[ x = 7, y = 5 ]

Q1)
9x + 5y = 80
8x + 2y = 54
[ x = 5, y = 7 ]

Q2)
7x + 5y = 85
7x + 4y = 75
[ x = 5, y = 10 ]

Q2)
7x + 5y = 70
5x + 10y = 95
[ x = 5, y = 7 ]

Q2)
9x + 6y = 57
4x + 6y = 42
[ x = 3, y = 5 ]

Q3)
10x + 10y = 60
10x + 9y = 57
[ x = 3, y = 3 ]

Q3)
2x + y = 27
8x + 8y = 136
[ x = 10, y = 7 ]

Q3)
9x + y = 39
5x -3y = 11
[ x = 4, y = 3 ]

Q4)
9x + 5y = 100
6x -5y = 50
[ x = 10, y = 2 ]

Q4)
2x + y = 24
3x -7y = 2
[ x = 10, y = 4 ]

Q4)
9x + 10y = 88
8x -3y = -5
[ x = 2, y = 7 ]

Q5)
9x + 4y = 76
3x + 4y = 52
[ x = 4, y = 10 ]

Q5)
7x + 2y = 48
9x -8y = 30
[ x = 6, y = 3 ]

Q5)
5x + 5y = 30
3x -3y = 0
[ x = 3, y = 3 ]

Q6)
5x + y = 17
9x -y = 11
[ x = 2, y = 7 ]

Q6)
5x + 2y = 63
2x + 4y = 54
[ x = 9, y = 9 ]

Q6)
3x + y = 33
10x + 2y = 102
[ x = 9, y = 6 ]

Q7)
10x + 4y = 116
10x + 2y = 98
[ x = 8, y = 9 ]

Q7)
2x + 2y = 26
3x + 10y = 102
[ x = 4, y = 9 ]

Q7)
4x + 4y = 40
2x -9y = -2
[ x = 8, y = 2 ]

Q8)
9x + y = 39
7x -y = 25
[ x = 4, y = 3 ]

Q8)
7x + 3y = 34
9x -9y = 18
[ x = 4, y = 2 ]

Q8)
3x + 3y = 30
2x + 6y = 44
[ x = 4, y = 6 ]

Q9)
8x + 8y = 80
8x + 3y = 55
[ x = 5, y = 5 ]

Q9)
3x + 2y = 28
10x -2y = 76
[ x = 8, y = 2 ]

Q9)
2x + 6y = 76
7x + 2y = 76
[ x = 8, y = 10 ]

Q10)
10x + 8y = 78
10x + 5y = 60
[ x = 3, y = 6 ]

Q10)
7x + y = 71
8x + 5y = 112
[ x = 9, y = 8 ]

Q10)
10x + 7y = 125
9x -4y = 61
[ x = 9, y = 5 ]