Question

решите уравнение5/1-x=4/3-x

Answer 1

$frac{5}{1-x} = frac{4}{3-x} \ 5(3-x)=4(1-x) \ 15-5x=4-4x \ 15-4=5x-4x \ 11=x \ OTBET: x=11$

Answer 2

5/1-x=4/3-x
15-5х=4-4x
x=11