C
Q3 A Complete the given activity. J -
Solve : 97x + 103 y = 497 ; 103x + 97y = 503
Solution :
103x + 97y = 503 (1)
97x + 103y = 497
(II)
200x + 200y
1000 Adding (1) and (II)
Dividing by 200, we get
:: x + y =
....(III)
+
..
S.
...
..
103x + 97y = 503 (1)
-97x + 103y -497 (II)
- 6y = 6
by subtracting (II) fror
Dividing the equation by 6, we get
.. x - y =
(IV)
By solving equations (III) and (IV) we get,
.. X =
; y =
Answers
Answered by
7
Answer:
97x+103y=497
103x+97y=503
Attachments:
Answered by
0
Answer:
Q.2 B Solve.
(1) Identify and write the linear equations in two variables from the following.
X2+2x+y=0 ; x+y+5=0 ; 2x-3y=5 ; 3y=9x-2 ; m2+mn+2=0 ; 3=3m+2n
Similar questions