Mariowager2007id Mariowager2007id Matematică a fost răspuns Sa se rezolve in R ecuatiile: a)4x +7 +5(x+3)=2x+1 b)5(x+2)-3x=7+5x c)4(x+3)+2(x-5)=3x+11 d)5(x-1)+3x-4=3x+11 e)3x+9+2(3-x)=4+2(x+5) f)7(x+3)-3x=5+6(x+5)-4x DAU COROANA!