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1 Rezolvati in multimea Q ecuatia.
a) x+3/4=7/8
2 Rezolvati in multimea numerelor rationale ecuatia.
a) 2x+0,3=-0,25
3 Rezolvati in Q ecuatia.
a) (-9/25+1/5)·x=0,(3)-0,2
4 Rezolvati in Q ecuatia.
a) x+4/5-x+2/3=2x/15-x+1/3
5 Rezolvati in Q ecuatia.
a) 3(x+5)-6(x-2)=4(x+2)-5(x-4)
6 Rezolvati in Q ecuatia.
a) 8(2x+3)-4(5x+1)=6(-x+5)-2

Răspuns :

Stefiandrea3
1)
x+3/4=7/8
2)
2x+0,3=-0,25
3)
Danarusudanacika
2) 2x=-0,25-3 2x=0,28 x=0,28:2 x=0,14

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