Question

If (x+ 5) : (x + 7)= (x - 1) : (x + 2) , find the value of x. *
7
17
-7
-17​

Answer 1

Answer:

-17

Step-by-step explanation:

x+5/x+7=x-1/x+2

(x+7)*(x-1)=(x+5)*(x+2)

x^2-x+7x-7=x^2+2x+5x+10

x^2+6x-x^2=7x+10+7

6x-7x=17

-x=17

x=-17