Question

3y+5x=0 3x+2y=4 równanie z dwoma niewiadomymi daje naj na już!!!!!!!!!

Answer 1

3y + 5x = 0

3x + 2y = 4

 

5x + 3y = 0      /*(-3)

3x + 2y = 4      /*5

 

-15x - 9y = 0

15x + 10y = 20

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y = 20

 

5x + 3y = 0

5x + 3 * 20 = 0

5x + 60 = 0

5x = -60

x = -60 : 5

x = -12

 

x = -12

y = 20