x+2-3-2=-4
x=-4-2+3+2
x=-1
Х+2-3-2=-4
Т.е. -4+2=-2
-2+3=1
1-2=-1
Проверяем: -1+2-3-2= -4
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x+2-3-2=-4
x=-4-2+3+2
x=-1
Х+2-3-2=-4
Т.е. -4+2=-2
-2+3=1
1-2=-1
Проверяем: -1+2-3-2= -4