Question

Помогите даю 20 баллов
Уравнения

Answer 1

$\frac{2x-2}{3x+3}$ ÷ $\frac{4x-4}{5x-15}$ × $\frac{x+1}{x-3}$ = $\frac{2x-2}{3x+3}$ × $\frac{5x-15}{2(2x-2)}$ × $\frac{x+1}{x-3}$ = $\frac{5x-15}{6x+6}$ × $\frac{x+1}{x-3}$ = $\frac{5(x-3)}{6(x+1)}$ × $\frac{x+1}{x-3}$ = $\frac{5}{6}$