Răspuns :

Marianagabor06id

Răspuns:

a) -2(x-3)+3(2-x)=x

-2x+6+6-3x=x

5x-x= -12

-6x=-12x

x=2

c) 3x-5(x+ v2)=v2-4r

3x-5x-5v2=v2-4r

-2x-5v2=v2-4r

-2x=v2-4r+5v2

-2x=6v2-4r

x=3v2+2r

X=-3v2+2r, rER

e) 6(x+3)+3(x-2)=10

6x+18+3x-6=10

9x+12=10

9x=10-12

9x=-2

g)2(5x+1)-(2x-1)+9x=6

10× +2-2x +1+9x=6

17x+3=6

17x=6-3

17x=3

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