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Lynna [10]
2 years ago
14

2x – бу = 12 -5x - 15 = -30

Mathematics
1 answer:
erastova [34]2 years ago
3 0

Answer:

x=7 and y= 1/3

Step-by-step explanation:

we have -5x - 15 = -30 <=> x + 3 = 10

                                            x= 7

if x=7

so 2×7 - 6y = 12 <=> 14 - 12 = 6×y

                                 2 = 6y

                                 y= 2/6 = 1/3

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