Question

When twice of number added with I and resultant divided with three time of the number, obtained 3 the mumber is 3/ 4​

Answer 1

First mark me as braniest

Step-by-step explanation:

Let the number be x

Given:

x is added to twice its x

2

which gives 21.

2x

2

+x=21

⟹2x

2

+x−21=0

⟹2x

2

+7x−6x−21=0

⟹x(2x+7)−3(2x+7)=0

⟹(x−3)(2x+7)=0

⟹x=3,−

2

7

The number is 3,−

2

7