September 2018 2 17 Report
Rozwiąż układ równań:
{2x + y = -2
2(2x - y) = 8 }

proszę o pomoc...:)
0.0
0 głosów
0 głosów
Oceń!
Oceń!
{2x + y = -2
2(2x - y) = 8 }

{2x +y = -2 /*2
4x - 2y= 8}

{4x +2y = -4
4x - 2y= 8}
------------------------ dodajesz x do x, y do y
8x =4 /:8
x = 0.5

{x = 0.5
2x +y = -2}

{x = 0.5
1 + y= -2}
{x = 0.5
y = -3}
0 votes Thanks 0
More Questions From This User See All

Recommend Questions



Life Enjoy

" Life is not a problem to be solved but a reality to be experienced! "

Get in touch

Social

© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.