August 2018 2 85 Report
D) 5=3+7x
h) 3x+5=2x
j) 4-x=1,3
i) x= -2x
k) -x-3=x-4
l) 8,3-2x=0,5


Mam prośbę jak moglibyście to rozwiążcie to takim sposobem:
3x+6=9 /-6
3x+6-6=9-6
3x=3
x=1
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