State true or false: If the cost of a bike is x which is twice the cost of a scooter y, then the representation using equations in 2 variables in the form ax + by + c = 0 will be x - 2y = 0.
A
x+2y=0
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B
x+y=0
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Solution
The correct option is A
x+2y=0
Let, the cost of the bike be x. And the cost of the scooter be y. According to question x = 2y Therefore, linear equation will be: ⇒x−2y=0