Question

Five times a number is equal to three times the sum of the number and 4 what is the number?​

Answer 1

Answer:

let the no. be x

5x=3x+4

5x-3x=4

2x=4

x=4/2

x=2

the no.. is 2

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Answer 2

• The number = 6.

Given :

• Five times a number is equal to three times the sum of the number and 4.

To Find :

• The number.

Solution :

Let,

The number be x.

According to the condition,

Five times of a number.

I.e.,

$\longmapsto 5x$

It is equal to the three times the sum of the numbers and 4.

I.e.,

$\longmapsto 5x = 3(x + 4)$

Now, solve this.

Open the bracket.

$\longmapsto 5x = 3x + 12$

$\longmapsto 5x - 3x = 12$

$\longmapsto 2x = 12$

$\longmapsto x = \cancel\dfrac{12}{2}$

$\longmapsto x = 6$

Hence,

The number is 6.

Verification :

Substitute the value of x (the number) in equation (1),

$\longmapsto 5x = 3(x + 4)$

$\longmapsto 5(6) = 3(6 + 4)$

$\longmapsto 5 \times 6 = 3 \times 10$

$\longmapsto 30 = 30$

Hence Verified !