Решите уравнения:
[tex] \frac{7}{x-2} = \frac{5}{x+3} [/tex]
[tex] \frac{x}{x-1} = \frac{4}{x} [/tex]
[tex] \frac{x-1}{x+3}= \frac{x+3}{x+1} [/tex]
[tex] \frac{7}{x-2} = \frac{5}{x+3} [/tex]
[tex] \frac{x}{x-1} = \frac{4}{x} [/tex]
[tex] \frac{x-1}{x+3}= \frac{x+3}{x+1} [/tex]
Answers & Comments
Verified answer
Verified answer
7/(x-2) = 5/(x+3)x не равно 2 и -3
7(x+3)=5(x-2)
7x+21=5x-10
2x=-31
x=-31/2
x/(x-1)=4/x
x не равно 0 1
x2=4x-4
x2-4x+4
(x-2)2=0
x=2
(x-1)/(x+3)=(x+3)/(x+1)
x не равно -1 -3
(x+1)(x-1)=(x+3)(x+3)
x2-1=x2+6x+9
6x=-10
x=-5/3