oblicz: -5x -7= -13x +4 - 3/4c= 0,1
-5x-7=-13x+4
-5x+13x=4+7
8x=7 /:8
x=7/8
-3/4c=0,1 /*(-4/3)
c=(-4/3)*1/10
c=-4/30
c=-2/15
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-5x-7=-13x+4
-5x+13x=4+7
8x=7 /:8
x=7/8
-3/4c=0,1 /*(-4/3)
c=(-4/3)*1/10
c=-4/30
c=-2/15