6)
(2x+y-8=0,
8.a)
3x+4y-7 = 0;
(3x - 4y - 2=0,
(Sy-x-6=0;
7y x = -2
7x-y--3,
r)
2
3
x+14
B)
-8x+3y = 3,5
= 4,5;
3
7x+3y
y-38 = 1
2a + 2b
2a-5b
-=
5
2
3
e)
7
7a-86
a-36
x+3y
x+5)
3
= 1 +
+2=
5
4​

Amy1503    3   22.05.2020 10:26    0