Ответ:

x = - 17/8

Объяснение: на фото



by Miguel
no diff

[tex]\displaystyle\bf\\\frac{5x+10}{x+5} +\frac{3x+7}{x+5} =0\\\\\\\frac{5x+10+3x+7}{x+5} =0\\\\\\\frac{8x+17}{x+5} =0\\\\\\8x+17=0\\\\8x=-17\\\\x=-2\frac{1}{8}\\\\x=-2,125[/tex]