Rozwiąż układ równań.
a) 3(x+y)-10=x
x+2(x-y)=y
b)4(x-2)-3(y+1)=0
8=2(x-y)+x
c)-12+2(x+y)=3(x-1)
6(x+y)=4(x-y-1)
PROSZĘ PILNIE O POMOC POTRZEBNE NA JUTRO !! DAJE NAJ.
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
a)3x+3y-10=x
x+2x-2y=y
2x+3y=10
-3y=3x
2x+3y=10
y=-x
2x-3x=10
y=-x
-x=10
y=-x
x=-10
b) 4x-8-3y-3=0
8=2x-2y+x
4x-3y=11/*2
3x-2y=8/*(-3)
8x-6y=22
-9x+6y=-24
-x=-2
x=2
x=2
8-3y=11
x=2
-3y=3/*(-3)
x=2
y=-1
c) -12+2x+2y=3x-3
6x+6y=4x-4y-4
-x+2y=9/*2
2x+10y=-4
-2x+4y=18
2x+10y=-4
14y=14
y=1
y=1
6x+6=4x-4-4
y=1
2x=-14
y=1
x=-7
a)
3x+3y-10=x
x+2x-2y=y
2x+3y=10
-3y=3x
2x+3y=10
y=-x
2x-3x=10
y=-x
-x=10
y=-x
x=-10
b)
4x-8-3y-3=0
8=2x-2y+x
4x-3y=11/*2
3x-2y=8/*(-3)
8x-6y=22
-9x+6y=-24
-x=-2
x=2
x=2
8-3y=11
x=2
-3y=3/*(-3)
x=2
y=-1
c) -12+2x+2y=3x-3
6x+6y=4x-4y-4
-x+2y=9/*2
2x+10y=-4
-2x+4y=18
2x+10y=-4
14y=14
y=1
6x+6=4x-4-4
y=1
2x=-14
y=1
x=-7