4t-3 = -10t+4 n°38 p 115

[tex]4t - 3 = -10t + 4 \\ 4t = -10t + 7 \\ 4t -7 = -10t \\ -7 = -14t \\ 7 = 14t \\ \frac{7}{14} = t \\ \frac{7:7}{14:7} = \frac{1}{2} \\ Donc : t = \frac{1}{2}.[/tex]