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a fost răspuns

Rezolva ecuatiile:
x : 100=86,15;
x : 1000=126,769;
100x=76,12;
(x-0,95) x 0,18=0,549;
3(0,3x-1,5)=3,6
VAROG.DAU COROANA!!

Răspuns :

Adrianalitcanu2018
x:100=86.15
x=86.15*100
x=8615

x:1000=126.769
x=126.769*1000
x=126769

100x=79.12
x=79.12:100
x=0.7912

(x-0.95)*0.18=0.549
x-0.95=0.549/0.18
x-0.95=3.05
x=3.05+0.95
x=4

3(0.3x-1.5)=3.6
0.3x-1.5=3.6/3
0.3x-1.5=1.2
0.3x=1.2+1.5
0.3x=2.7
x=2.7/0.3
x=9

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