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2(x+y)/3 + 8 = 4/3(2x-y) - (x-2y)/2
x+1/3 + 1 = (3-y)/4
<---- to jest układ równań
pomóżcie
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2(x+y)/3 + 8 = 4/3(2x-y) - (x-2y)/2 / * 6
x+1/3 + 1 = (3-y)/4 / * 12
4(x+y)+48 = 8(2x-y)-3(x-2y)
4(x+1)+12=3(3-y)
4x-4y+48 = 16x-8y-3x+6y
4x+4+12=9-34
4x-13x+4y+y= -48
4x+3y = 9-16
-9x+6y= -48
4x+3y= -7 / *(-2)
-9x+6y= -48
-8x-6y = 14
---------------
-17x= -34 /:17
x= 2
42+3y= -7
3y = -7-8
3y= -15 /:3
y = - 5
x= 2