Question

when 2 times a number is subtracted from 5times that number we get 12
a)if x is the number then write the equation
b)find the number​

Answer 1

Answer:

4

Step-by-step explanation:

2 times of x=2x

5 times of x=5x

given question follows that

5x-2x=12

3x=12x

x=4

Answer 2

SOLUTION

GIVEN

When 2 times a number is subtracted from 5 times that number we get 12

TO DETERMINE

a) If x is the number then write the equation

b) Find the number

EVALUATION

Here the given number = x

a) Now 2 times a number is subtracted from 5 times that number

So by the given condition

5x - 2x = 12

Which is the required equation

b) The equation obtained is

5x - 2x = 12

⇒ 3x = 12

⇒ x = 4

Hence the required number = 4

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