August 2018 3 16 Report
Rozwiąż równania:
0,4+0,2x=-2

2,1-0,3x=0,4x

-1,5x-3=0,2x+6

To jest coś takiego. Np. :
0,2x+0,3=-0,5 |*10
2x+3=-5 |-3
2x=-8 |:2
x=-4
Dla jasności xdd.
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