Х/5-х/2=-3 плиз помогите)

[latex] \frac{x}{5} - \frac{x}{2} =-3[/latex] [latex] \frac{2x}{10}- \frac{5x}{10} =-3[/latex] [latex]- \frac{3x}{10} =-3[/latex] [latex]- \frac{3x}{10}+ \frac{30}{10} =0[/latex] [latex] \frac{-3x+30}{10} =0[/latex] [latex]-3x+30=0[/latex] [latex]3x=30[/latex] [latex]x=10[/latex]