rozwiaz uklady rownan:
a) {x+y-40=0 b) {2u+3v=12 C) {3t+5z-15=0
{y-x=8 {2u-4-v=0 {6t+10z+3=0
d) {2m-5n=6 e) {4z+t=2 f) {3u +2v=1
{3m=4n+2 {8z-5=-3t {9u+6v-3=0
prosze o pomoc potrzebne na jutro!!!
{- zaznaczony uklad rownan
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a)x+y-40=0
y-x=8
x+y=40
-x+y=8
2y=48 y=24 x=16
b)2u+3v=12
2u-4-v=0
2u+3v=12
2u-v=4
2u+3v=12
-2u+v=-4
4v=8 v=2 u=3
c)3t+5z-15=0
6t+10z+3=0
-6t-10z+30=0
6t+10z+3=0
33=0 równanie nie ma rozwiązania
d)2m-5n=6
3m=4n+2
2m-5n=6
3m-4n=2
6m-15n=18
-6m+8n=-4
-7n=14 n=-2 m=-2
e)4z+t=2
8z-5=-3t
4z+t=2
8z+3t=5
-8z-2t=-4
8z+3t=5
t=1 z=1/4
f)3u+2v=1
9u+6v-3=0
3u+2v=1
9u+6v=3
-9u-6v=-3
9u+6v=3
0=0