Matematică
StefaniaRadu
8

Rezolvati in R ecuatiile: 3(x-2)+7(2x+1)=1+5x-3(6-5x) 2(3x+2)-3(4x-1)=2-3(2x-1) x-(2x-5)-7(x-1)=4(3-2x) 3x(x+2)+2(x-3)=(x+4)(3x-5) 7-x(4x-3)-2x(5-2x)=3(x+4) x(3-x)+(2x=7)-x(3+x)=6-2x(x-4)

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valentinaccelea

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