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Yochiteru
a fost răspuns

a)2x+3,14=0,25
b)5x-12,304=3x-5,304
c)5*(x-1,2)+4x=21,054

Răspuns :

a) 2x=0,25-3,14
2x=-2,89
x=-2,89/2
x=-1,445

b) 5x-3x=12,304-5,304
2x=7
x=7/2
x=3,5

c) 5x-6+4x=21,054
9x=21,054+6
x=27,054/9
x=3,006

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