put linear equations or lienear inequalities for each question

________1. x-y = 2
________2. a + b = 7
________3. 2a + b > 5
________4. m - n < 5
________5. 6c + 3d = 10
________6. 2x - 3y > 11
________7. m - n < 10
________8. a - b = 15
________9. w - z = 1
________10. n + 2m > 25
________11. a - b < 18
________12. p + 2q = 36
________13. 5x + 3y > 3
________14. 11a - 6b = 45
________15. 4x - 5y = 40
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