Question

ye batado copy me krke
2 wala krna 1st nhi​

Answer 1

Answer:

x = 2

y = 1

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Step-by-step explanation:

3x + 4y = 10

2x - 2y = 2

3x + 4y = 10

4x - 4y = 4

----------------

7x         = 14

x           = 2

Answer 2

Step-by-step explanation:

3x+4y = 10.......(eq 1)

2x -2y =2..........(eq 2)

multiplying eq 2 by 2

therefore :- 2x×2-2y×2 = 2×2

we get,

4x - 4 y = 4......(eq 3)

therefore, subtracting eq 3 from 2

4x - 4 y = 4

- 3x+4y = 10

-

____________

x. = -6

substituting above value in eq 2

we get,

2× (-6) - 2y = 2

-12-2y = 2

-2y = 2+12

-2y = 14

14/2 = y

7 = y

y = 7

.

x = -6 , y = 7

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