Question

y
Practice Set 1.4
Solve the following simultaneous equations.
8 5
(1) 2 3
-15;
77
ху
ху
10 2
= 4;
ху ху
15
5
(2)
х+ух- у
(3)
27 31
x-
2y+3
=85 ;
31 27
=89
x-2y+3
(4)
1 3
+
3x + y 3x-y4
1
1
2(3x + y) 2(3x-y) 8​

Answer 1

Answer:

sorry I don't know this but please make me as brainliest