zadanie w załączniku!
z góry dzięki dam najlepsze ;*
A x=3
y=6-5
x=3
y=1
B x=2
6-y=9 /+6
x=2
-y=15/*(-1)
y=-15
C Y=-1
Y=1/2x+3 /*2
Y=1
2y=x+6 /
2=x+6 / -6
-4= x
D y=3
-2x+3y=12
-2x+9=12 / -9
-2x=3 / :(-2)
x=1,5
a) x = 3
y = 6-5=1
b)x= 2
-6-y=9|+6
-y = 15 |* (-1)
y= -15
c) x=- 4
y= -1
d) x=1,5
y=3
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A x=3
y=6-5
x=3
y=1
B x=2
6-y=9 /+6
x=2
-y=15/*(-1)
y=-15
C Y=-1
Y=1/2x+3 /*2
Y=1
2y=x+6 /
2=x+6 / -6
-4= x
D y=3
-2x+3y=12
-2x+9=12 / -9
-2x=3 / :(-2)
x=1,5
a) x = 3
y = 6-5=1
b)x= 2
-6-y=9|+6
-y = 15 |* (-1)
y= -15
c) x=- 4
y= -1
d) x=1,5
y=3