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Dariapaval2003
a fost răspuns

REZOLVATI IN MULTIMEA Q ECUATIILE : a) xpe3+1pe2=5pe6
b) x+4pe5 - 2pe3 = 2x+7pe15

Răspuns :

Zindrag
a) x/3+1/2=5/6   |*6
2x+3=5
2x=2
x=1

b) x+4/5-2/3=2x+7/15   |*15
15x+12-10=30x+7    |-15x
15x=12-10-7
15x=-5
x=-1/3

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