Verified Answer :

jhonyy9

first of all you need to push the restrictions for x so x not can being never equal 4 and -7 because than these denominators will be equal zero and these fractions undefined 

1/(x-4) = 2/(x+7)    cross multiple and will get 

x+7 = 2(x-4)

x+7=2x-8

x = 15

hope this helped

caylus

Hello,

if 2/6=10/30 then 230=610 (60=60). [cross products}

\(\dfrac{1}{x-4} = \dfrac{2}{x+7} \\\\ If \ x eq 4\ and\ x eq -7\ then \\\\ 1*(x+7)=2*(x-4)\\\\ x+7=2x-8\\\\ x=15\\\\\)
Sol={15}


Related Questions