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rezolvati ecuatia: a) 2×+1(supra 3)=6×-4(supra 2)

Răspuns :

[tex] \frac{2x+1}{3} = \frac{6x-4}{2} [/tex]

Facem produsul mezilor si extremilor:
[tex]4x+2=18x-12\\ 14x=14\\ x=1 [/tex]

(2x+1)/3=(6x-4)/2 |•6
2(2x+1)=3(6x-4)
4x+2=18x-12
2+12=18x-4x
14=14x
x=14:14=1