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2х+3=х-6
z+4-3=2z
5-3y=4-2y
7-3x=4x-9
6a-1=3a+7
10y-3=5+3y
2х+3=х-6
z+4-3=2z
5-3y=4-2y
7-3x=4x-9
6a-1=3a+7
10y-3=5+3y
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Answers & Comments
2х-х=-6-3
х=-9
z+4-3=2z
z-2z=-4+3
-z=-1
z=1
5-3y=4-2y
-3y+2y=4-5
-y=-1
y=1
7-3x=4x-9
-3x-4x=-9-7
-7x=-16
x=16:7
x=2 целых 2/7
6a-1=3a+7
6а-3а=7+1
3а=8
а=8:3
2 целых 2/3
10y-3=5+3y
10у-3у=5+3
7у=8
у=8/7