Bonsoir,

(4x-2)/3 + (5x-1)/4 = x - 3

[4(4x-2) + 3(5x-1)]/12 = x - 3

(16x - 8 + 15x - 3)/12 = x - 3

31x - 11 = 12(x - 3)

31x - 11 = 12x - 36

31x - 12x = - 36 + 11

19x = - 25

x = -25/19