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= 0,75
-x - 3 = x - 4
-x - x = -4 - 3
-2x = -7 / : ( -2)
x= 3,5
8,3 - 2x = 0,5
-2x = 0,5 - 8,3
-2x = -7,8 / : (-2)
x = 3,9
/ :
x= -6
- x = -x
-x + x = -1/2
-x = - / * ( -2 )
x=1
x + x - x = 2
x + x - x = 2
x = 2 / *
x =
x = 3
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