5х -1   х-2 ___ - _____= 10-х 4          3

[latex] \frac{5x-1}{4} - \frac{x-2}{3}=10-x \\ 3(5x-1)-4(x-2)=12(10-x) \\ 15x-3-4x+8=120-12x \\ 15x-4x+12x=120+3-8 \\ 23x=115 \\ x=115:23 \\ x=5 [/latex]