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Write an equation and solve.

Some girls were playing tag on a playground. The number of girls was three less than twice the number of boys. If there are 7 girls, how many boys were playing tag?

Respuesta :

tanmayakumarp3

Answer:

5 boys

Step-by-step explanation:

Let,

The no. of boys be = x

So,

No. of girls are = 2x - 3

As given,

No. of girls on the playground playing tag were = 7

Therefore,

By the problem,

=> 2x - 3 = 7

  • [On adding 3 on both sides]

=> 2x - 3 + 3 = 7 + 3

  • [On simplification]

=> 2x = 10

  • [On dividing both sides with 2]

[tex] = > \frac{2x}{2} = \frac{10}{2} [/tex]

  • [On simplification]

=> x = 5

Hence,

Number of boys playing tag were 5 (Ans)

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