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-7x = 3-5
-7x = -2 / : (-7)
x = ²/₇
h) 3x+5=2x
3x-2x = -5
x = -5
j) 4-x=1,3
-x = 1,3-4
-x = -2,7 / : (-1)
x = 2,7
i) x= -2x
x+2x = 0
3x = 0 / :3
x = 0
k) -x-3=x-4
-x-x = -4+3
-2x = -1 / : (-2)
x = ½
l) 8,3-2x=0,5