Question

5 x + 2 y = -3
x+5 y=4​

Answer 1

5(5) + 2(4)= -3

25 + 8 = -3

33 = -3

33 -3

30

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Answer 2

Answer:

x = -1 and y = 1

Step-by-step explanation:

5x + 2y = -3....................1)

x + 5y =4..........................2)

multiply equation 2 by -5

-5( x + 5y = 4)

-5x -25y =  -20................3)

add equation 1) and 3)

  5x +2y = -3

 -5x -25y = -20

   0 -23y  =-23

-23y = -23

y = -23/-23

y = 1

put y = 1 in equation 1)

5x + 2y = -3

5x +2(1) = -3

5x + 2 = -3

5x = -3-2

5x = -5

x = -5/5

x = -1