Rozwiąż równanie.
x + y = 9
10x + y = 10y + x + 45
x+y = 9
10x +y =10y +x +45
x+y =9/* 9
9x-9y =45
9x+9y = 81
9x -9y =45
18x = 36/:18
x = 2
2+y =9
y =7
x=2
y=7
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
x+y = 9
10x +y =10y +x +45
x+y =9/* 9
9x-9y =45
9x+9y = 81
9x -9y =45
18x = 36/:18
x = 2
x+y = 9
2+y =9
y =7
x=2
y=7