Question

rezolvati urmatoarele ecuatii: a) 2(x+2)+3(x-2)-2=3(6-5x)+3-5x b)4(x-2)-1+2(2-3x)=5(x+2)-3(2x-5)+x

Answer 1

a) 2x+4+3x-6-2 = 18-15x +3-5x rezulta 27 x = 21+4 rezulta x = 25/27

b)4x-8-1+4-6x=5x+10-6x+30+x rezulta-2x=45 rezulta x = -45/2