Question

Solve the following simultaneous equations. (1) 2_3-15 : 8,5 = ; - + =77 ху ху​

Answer 1

Answer:

(1) 2_3

+

1. Solve the following simultaneous equations.

8 5

= 15 : =77

ху

ху

10 2

15 5

(2)

2 =4 ;

= -2

x+y X-Y xty x-y

+

(3)

27 31

31 27

-=85:

x-2y+3 x-

2y+3

+

+

= 89

1

1 3

1

1

(4)

3x + y 3x - y 4 2(3x + y) 2(3x - y) 8

19

Step-by-step explanation:

hope its help po ;)))