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4x-6y=38 |*9
30x+54y=-12
36x-54y=342
----------------
66x=330
x=5
y=-3
∫4x-6y=38 | /4
∫5x+9y=-2
∫x-1,5y=9,5
∫5x+9y=-2
∫x = 9,5 - 1,5y
5(9,5 - 3y/2)+9y=-2
47,5 - 7,5y + 9y = -2
47,5 + 1,5y = -2
1,5y = -49,5
y = -33
x-1,5(-33)=9,5
x - 49,5 = 9,5
x = 59
y = -33