Q1)
8x + 7y = 86
5x + 7y = 59
[ x = 9, y = 2 ]

Q1)
5x + 5y = 45
4x + 10y = 60
[ x = 5, y = 4 ]

Q1)
x + 8y = 66
4x -10y = -72
[ x = 2, y = 8 ]

Q2)
10x + 9y = 88
10x + 8y = 86
[ x = 7, y = 2 ]

Q2)
8x + 3y = 69
10x -6y = 18
[ x = 6, y = 7 ]

Q2)
8x + 3y = 54
3x + 4y = 26
[ x = 6, y = 2 ]

Q3)
6x + 2y = 24
3x + 2y = 18
[ x = 2, y = 6 ]

Q3)
9x + y = 46
2x + 4y = 48
[ x = 4, y = 10 ]

Q3)
9x + 7y = 74
6x -4y = -20
[ x = 2, y = 8 ]

Q4)
10x + 3y = 46
3x -3y = 6
[ x = 4, y = 2 ]

Q4)
5x + y = 24
7x + 4y = 44
[ x = 4, y = 4 ]

Q4)
6x + 6y = 78
7x -7y = 49
[ x = 10, y = 3 ]

Q5)
10x + 8y = 56
7x -8y = 12
[ x = 4, y = 2 ]

Q5)
2x + 3y = 27
3x -3y = 3
[ x = 6, y = 5 ]

Q5)
3x + 6y = 66
8x -4y = -4
[ x = 4, y = 9 ]

Q6)
6x + y = 25
4x -y = 5
[ x = 3, y = 7 ]

Q6)
6x + 2y = 30
9x + 6y = 72
[ x = 2, y = 9 ]

Q6)
4x + 7y = 75
10x + 8y = 140
[ x = 10, y = 5 ]

Q7)
6x + y = 57
2x -y = 7
[ x = 8, y = 9 ]

Q7)
8x + 6y = 102
6x -6y = 24
[ x = 9, y = 5 ]

Q7)
7x + y = 66
5x + 3y = 70
[ x = 8, y = 10 ]

Q8)
10x + 5y = 50
3x + 5y = 29
[ x = 3, y = 4 ]

Q8)
6x + y = 60
10x -9y = 36
[ x = 9, y = 6 ]

Q8)
9x + y = 69
6x + 9y = 96
[ x = 7, y = 6 ]

Q9)
8x + 10y = 104
8x + 9y = 96
[ x = 3, y = 8 ]

Q9)
10x + 4y = 60
7x + 8y = 94
[ x = 2, y = 10 ]

Q9)
5x + 8y = 61
7x -5y = 53
[ x = 9, y = 2 ]

Q10)
6x + 3y = 72
7x -3y = 45
[ x = 9, y = 6 ]

Q10)
6x + 2y = 34
7x + 10y = 101
[ x = 3, y = 8 ]

Q10)
x + 5y = 45
4x -8y = -44
[ x = 5, y = 8 ]