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goldfiish [28.3K]
3 years ago
6

6x − 3y = 42 6x + 8y = 20

Mathematics
1 answer:
san4es73 [151]3 years ago
5 0

Answer:

X= 6, y= -2

Step-by-step explanation:

Let 6x-3y=42------------(1)

6x + 8y =20---------(2)

Subtract (1) from (2) we have

(2) - (1)

6x-6x + 8y - (-3y) = 20 -42

11y = -22

y = -22/ 11 = -2

From (1)

6x - 3y =42

6x - 3(-2) = 42

6x + 6 = 42

6x = 42- 6

6x = 36

x= 36/6 = 6

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