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a fost răspuns

rezolvati in IR ecuatiile:
a)2x+1pe7 = 1-xpe2
b)3x-5pe4 = x+3pe2
c)8x-3pe4 = 5x+6 pe3
d) 1 - 3-2xpe5=x-9pe5
e)13x-9pe2 = 14-x
f)4x-3pe7 + 2 = x-5

Răspuns :

R0semary
A. 7-7x=4x+2; x=5/11 B. 3x-5=2x+6; x=11 C. 20x+24=24x-9; x=3/4 D. Toate sunt la numarator?? 1 si 3 siv2x?? E.28-2x=13-9; x=37/15 F. 7x-49=4x-7; x=46/11
Ancabalan74
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