rozwiaz rownania
a)
2(x-3y+2)-(2x+y-6)=3
3(x+y-3)+(4x-2y+2)=15
b)
4x-12y=-14
3x+6y=-3
c)
1/2x+3y=11
1/4x-2y=-5
d)
5(x+3)-3(y+4)=-1
(2x-y)-(3x+2y)=8
e)
1/3x+1/3y=3
1/6x+1/2y=2 1/2
f)
1/5x+y=3
3/5x-1/2y=2
g)
1,5x-1,2y=6
2,2x+0,2y=-1
h)
-.07x+0,2y=1,4
0,2x-0,7y=-4,9
i)
0,3x-2,2y=-5
2,3x-1,1y=-6,8
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