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GiveN Condition:
- A no. is as much greater than 15 as it is less than 51.
What we have to do?
- We have to find the no.?
Solution:
Let the number be x.
Then, according to question, the value obtained by subtracting 15 from x will be equals to the value obtained by subtracting x from 51.
That is,
⇒ x - 15 = 51 - x
⇒ 2x = 66
⇒ x = 33
Quick check:
- 33 - 15 = 18
- 51 - 33 = 18
Condition satisfied !!!
Hence,
The required number is:
Question
A number is as much greater than 15 as it is less than 50. Find the number.
Solution
Let, the number be x
A number greater than 15 = x+15
A number less than 51 = 51-x
ATP
x+15 = 51-x
=) x+x = 51-15
=) 2x = 36
=) x = 36/2 = 18
Verified ✔️✔️
18+15 = 33
51-18 = 33
Learn More
An equation is a statement that two expressions are equal. It may involve one or more than one variables. Thus, 2x-1 = 9 , x²-3x+2 = 0 are equations in one variable and 5x-7y = 3 , x²+3xy+5y² = 4 are equations in two variables.
An equation of the type ax+b = ,0 where a not equals to zero, is called a linear equation in the variable x. Thus, 2x-1 = 9 is a linear equation in the variable x.