MATEMATYKA Z PLUSEM 2 . ZADANIE 9 STRONA 110 .
{ x+2y=34
{ x+3y=23
temat : uklady rownan
++ mozecie nie usuwac tego zadania :c .
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
x+2y=34
x+3y=23
x = 34-2y
34-2y+3y = 23
x = 34-2y
-2y+3y = 23-34
x = 34-2y
y = -11
x = 34-2·(-11)
y = -11
x = 34+22
y = -11
x = 56
y = -11
Spr.
x+2y=34
x+3y=23
56+2·(-11) = 34
56+3·(-11) = 23
56-22 = 34
56-33 = 23
34 = 34
23 = 23