x+y=83
x-20%x+y+2=83-8
x+y=63
x-3+y-20%y=63-4
są to układy równań prosze pomóżcie to jest na dzisiaj!!
x-20%x+y+2=83
0,8x+y=81
-x-y=-83
-0,2x=-2/(-0,2)
x=10
10+y=83
y=73
x+0,8y=62
-x-y=-63
-0,2y=-1/(-0,2)
y=5
x=58
Proszę ;)
x-20prx+y+2=83-8
y=83-x
x-20prx+83-x=73
-20prx=-83+73=-10
x=-0,5
y=83-0,5
y=82,5
x-3+y-20pry=59
x=63-y
63-y-3+y-20pry=59
20pry=59-60
20pry=-1
y=-0,05
x=63+0,05=63,05
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x+y=83
x-20%x+y+2=83
x+y=83
0,8x+y=81
-x-y=-83
0,8x+y=81
-0,2x=-2/(-0,2)
x=10
x=10
10+y=83
x=10
y=73
x+y=63
x-3+y-20%y=63-4
x+y=63
x+0,8y=62
-x-y=-63
x+0,8y=62
-0,2y=-1/(-0,2)
y=5
y=5
x=58
Proszę ;)
x+y=83
x-20prx+y+2=83-8
y=83-x
x-20prx+83-x=73
y=83-x
-20prx=-83+73=-10
y=83-x
x=-0,5
y=83-0,5
x=-0,5
y=82,5
x+y=63
x-3+y-20pry=59
x=63-y
63-y-3+y-20pry=59
x=63-y
20pry=59-60
x=63-y
20pry=-1
y=-0,05
x=63+0,05=63,05