Systems of Equations - Linear Combination

14. x + 3y = 2. 2x + 3y = 7. 15. 3x – 2y = 5. x + 2y = 15. 16. m – 4n = -5. m = 2n – 4 Set up a system of equations for each problem and then solve using substitution or linear combination. 17. Kelly has 24 dimes and quarters worth $3.60. How many quarters does she have? 18. The length of a rectangle is 5 cm less than 3 times its width. ................
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