oblicz
1,3x+0,7(35+x)< =30,3
1,3x+0,7(35+x)=30,3
1,3x+24,5+0,7x=30,3
2x=30,3-24,5
2x=5,8|:2
x=2,9
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1,3x+0,7(35+x)=30,3
1,3x+24,5+0,7x=30,3
2x=30,3-24,5
2x=5,8|:2
x=2,9