Question

Joint equation of pair of line 2x+y=0and 3x-5y=0

Answer 1

Answer:

x = -13 and y = 36

Step-by-step explanation:

given,

2x + y = 0

=> y = -2x (i)

now, 3x - 5y = 0

=>3x - 5(-2x) = 0 (using (i))

=>3x + 10x = 0

=>x = -13 (ii)

now, putting (ii) in (i)

=>y = -2 × (-13)

=>y = 36

Answer 2

The joint equation would be $x-4y=0$

Step-by-step explanation:

Since we have given that

$2x+y=0\\\\3x-5y=0$

Since both are equal to 0, so it becomes,

$2x+y=3x-5y\\\\2x-3x=-5y-y\\\\-x=4y\\\\-x+4y=0\\\\x-4y=0$

Hence, the joint equation would be $x-4y=0$

# learn more:

2x+3y=0 and 3x-5y=0 find the joint equation for the pair of straight line

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