rozwiąż proporcje
2x-2÷2x-6=x+13÷x+3
pliss mam to na jutro..
;**
(x+3)(2x-2)=(2x-6)(x+13)
2x²+6x-2x-6=2x²+26x-6x-78
2x²+4x-2x²-20x=-78+6
-16x=-72
x=9/2
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
(x+3)(2x-2)=(2x-6)(x+13)
2x²+6x-2x-6=2x²+26x-6x-78
2x²+4x-2x²-20x=-78+6
-16x=-72
x=9/2