3 years ago

1. Consider this system of equations. 3x + 5y = 7 2x -y =9

Mathematics

1 answer:

sweet [91]3 years ago

5 0

Answer:

x = 4

y = -1

Step-by-step explanation:

3x + 5y = 7

5(2x - y = 9). = 10x - 5y = 45 (add the equations)

13x = 52. X = 4

3 (4) + 5y = 7

12 + 5y = 7

5y = 7 - 12

y = -5/5. y = -1

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