8. यदि 2x + y=7 तथा तो 3x +4y = 13, x/y=
(क)2
(ख)3
(ग)6
(घ)-3
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0
Answer:
ख) 3
Step-by-step explanation:
2x+y=7
y=7-2x
put value of y in eq ...3x+4y=13
so we get..
3x+4×(7-2x) = 13
3x+28- 8x = 13
-5x= 13-28
-5x=(-15)
x=3
y= 7-2x
y= 7-6=1
y=1
so x/y=3
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