Rozwiąż układ równań!!!
x+y=1000
x+20%+y-20%y=1000+10%*1000
1,2x+0,8y=1100*1000
x+1000-y
1200-1,2y+0,8y=1100000/-1200
x=1000-y
-0,4y=1098800/:(-0,4)
y=-2747000
x=1000+2747000
x+2748000
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x+y=1000
1,2x+0,8y=1100*1000
x+1000-y
1200-1,2y+0,8y=1100000/-1200
x=1000-y
-0,4y=1098800/:(-0,4)
y=-2747000
x=1000+2747000
y=-2747000
x+2748000