Carlosstanga2006ask
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N
1. Rezolvate ecuatile:
a) 2x+3=1
b) 3x +4 =-2
9 x +1=x+5,13)
d) 255 x- 42x = F3-252
e) 4(x-2, 3)Lue
) 1 2x+3)-47​

Răspuns :

Gabos3876ask

Răspuns:

a) 2x=1-3

2x=-2

x=-2:2

x=1

b)3x+4=-2

3x=-2-4

3x=-6

x=-6:3

x=-2

C) 9x+1=x+5,(13)

9x+1=x+508/99

9x-x=508/99

8x=508/99

X=508/99 :8/1

x=508/99 ori 1/8

X=508/792

D)

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