A. निम्न कयागज्ञात कीजिए:
(1) 3x+5y-4 तथा x -3y-6
Answers
Answer:
I cannot understand this question
Step-by-step explanation:
i cannot understand this. question because. it is in hindi
Answer:
3 x + 5 y - 4
x - 3 y - 6
3 x + 5 y = 4 ....(1)
x - 3 y = 6 ......(2)
multiplying by 3 in education 2
3 x - 9 y = 18 ...(3)
subtract equation 3 by 2
3 x - 9y = 18
- 3 x + 5 y = 4
____(-)____(-)__
-14y = 14
-y = 14÷14
-y = 1
y= -1
substituting y = -1 in equation 2
x - 3 y = 6
x - 3 × (-1) = 6
x + 3 = 6
x = 6 - 3
x = 3
I hope it will help you &
sorry I have written in English, because I'm in English medium