Rozwiąż równanie [latex] frac{x +3}{2} [/latex] + [latex] frac{x +1}{3} [/latex] = [latex] frac{7 +x}{6} [/latex]

[latex]frac{x +3}{2} + frac{x +1}{3} = frac{7 +x}{6} / cdot 6 [/latex] [latex]3(x +3) +2(x +1)= 7 +x[/latex] [latex]3x +9 +2x +2= 7 +x[/latex] [latex]3x +2x-x= 7-9-2[/latex] [latex]4x= -4 /:(-4)[/latex] [latex]x=-1[/latex]