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Vikki [24]
3 years ago
5

-3x-7y = 189x+2y = 3​

Mathematics
1 answer:
oee [108]3 years ago
4 0

Answer:

x = -13

y = 3

Step-by-step explanation:

-3x-7y = 18

9x + 2y = 3

__________

3(-3x-7y=18)

9x + 2y = 3

__________

-9x - 21y = 54

9x + 2y = 3

__________

-19y = 57

y = 3

-3x - 7(3) = 18

-3x - 21 = 18

-3x = 39

x = -13

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