Question

9 subtracted from four times a number gives 31 find the other number​

Answer 1

Answer:

four times of a number is 4x=31+9(9 is subtracted from 4x so 4x=31+9

4x=40

x=40/4

x=10

Answer 2

Appropriate Question -

• 9 subtracted from four times a number gives 31. Find the number.

Answer -

• The number is 10.

To find -

• The number.

Step-by-step explanation -

Let :-

• The number be "y".

Then :-

• Four times the number will be "4y".

Subtracting 9 from four times the number,

• We get "4y - 9".

According to the Question,

• 4y - 9 = 31

Therefore,

$\longrightarrow 4y - 9 = 31$

$\longrightarrow 4y = 31 + 9$

$\longrightarrow 4y = 40$

$\longrightarrow y = \cancel{\dfrac{40}{4}}$

$\longrightarrow y = 10$

Hence :-

• The number is 10.

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Verification -

• To check our answer, let's substitute the value of "y" in the equation and see whether LHS = RHS.

LHS :

$\longrightarrow \bf 4y - 9$

$\longrightarrow \bf 4 \times 10 - 9$

$\longrightarrow \bf 40 - 9$

$\longrightarrow \bf 31$

RHS :

$\longrightarrow \bf 31$

LHS = RHS.

Hence verified!!

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