Uprość wyrażenia: x-1,3x-0,2x= 2x+1+3x= 5-3x+7= 2,5x-2,5+x= 2a-3a+7-6= 3x-6+4x+2= 3x-1-4x+6=
x-1,3x-0,2x=-0,5x
2x+1+3x=5x+1
5-3x+7=12-3x
2,5x-2,5+x=3,5x-2,5
2a-3a+7-6=1-a
3x-6+4x+2=7x-4
3x-1-4x+6=5-x
x-1,3x-0,2x= -0,5x2x+1+3x=5x+15-3x+7=12-3x2,5x-2,5+x=3,5x-2,52a-3a+7-6= -a+13x-6+4x+2=7x-43x-1-4x+6= -x+5
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x-1,3x-0,2x=-0,5x
2x+1+3x=5x+1
5-3x+7=12-3x
2,5x-2,5+x=3,5x-2,5
2a-3a+7-6=1-a
3x-6+4x+2=7x-4
3x-1-4x+6=5-x
x-1,3x-0,2x= -0,5x
2x+1+3x=5x+1
5-3x+7=12-3x
2,5x-2,5+x=3,5x-2,5
2a-3a+7-6= -a+1
3x-6+4x+2=7x-4
3x-1-4x+6= -x+5