Rozwiąż układy równań:
a)4y-x=6
17y=0
b)a=b
2a+b=9
c)u=4v
5u-v=10
d)3r=s
3r+s=24
a) 4*0-x=6
y=0
x=-6
b) a=b
3a=9
a=b
a=3
b=3
c) u=4v
20v-v=10
u=4v
v=10/19
u= 2 i 2/19
d) 3r=s
3r+3r=24
3r=s
6r=24
r=4
s=12
a)
4y-x=6
______
4*0-x=6
-x=6|:(-1)
b)
2b+b=9
3b=9|:3
5*4v-v=10
19v=10|:19
u=4*10/19
u=40/19
u=2 2/19
d)
6r=24|:6
s=3*4
s=13
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a) 4*0-x=6
y=0
x=-6
y=0
b) a=b
3a=9
a=b
a=3
a=3
b=3
c) u=4v
20v-v=10
u=4v
v=10/19
u= 2 i 2/19
v=10/19
d) 3r=s
3r+3r=24
3r=s
6r=24
r=4
s=12
a)
4y-x=6
17y=0
______
y=0
4*0-x=6
-x=6|:(-1)
x=-6
b)
a=b
2a+b=9
2b+b=9
3b=9|:3
b=3
a=3
c)u=4v
5u-v=10
5*4v-v=10
20v-v=10
19v=10|:19
v=10/19
u=4v
u=4*10/19
u=40/19
u=2 2/19
d)
3r=s
3r+s=24
3r+3r=24
6r=24|:6
r=4
3r=s
s=3*4
s=13