trzeba mi układ równań rozwiązać. ; )
1/2(x-1)+y = -2 i 1/2
x-7=1-y
1/2 (x-1) +y = -2 i1/2
x/2 -1/+y =-5/2 | *2
x-1+2y=-5
x+2y=-4
x+y=8
x=-4+2y
-4+2y+y=8
-4+3y=8
3y=12 | :3
y=4
x=-4+8
x=4
(x,y)= (4,4)
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
1/2 (x-1) +y = -2 i1/2
x-7=1-y
x/2 -1/+y =-5/2 | *2
x-7=1-y
x-1+2y=-5
x-7=1-y
x+2y=-4
x+y=8
x=-4+2y
-4+2y+y=8
x=-4+2y
-4+3y=8
x=-4+2y
3y=12 | :3
x=-4+2y
y=4
x=-4+8
y=4
x=4
y=4
(x,y)= (4,4)