Advertisements
Advertisements
प्रश्न
A number decreased by 30 is the same as 14 decreased by 3 times the number; Find the number.
Advertisements
उत्तर
Let the required number = x
The number decreased by 30 = x – 30
14 decreased by 3 times the number = 14 – 3x
According to the statement:
x – 30 = 14 – 3x
⇒ x + 3x = 14 + 30
⇒ 4x = 44
x = 11
Required number = 11
APPEARS IN
संबंधित प्रश्न
Solve:
`5x − (4x + (5x - 4)/7) = (4x - 14)/3`
Fifteen more than 3 times Neetu’s age is the same as 4 times her age. How old is she ?
A man is 42 years old and his son is 12 years old. In how many years will the age of the son be half the age of the man at that time?
If the same number be added to the numbers 5, 11, 15 and 31, the resulting numbers are in proportion. Find the number.
Solve: `2/"5x" - 5/"3x" = 1/15`
Solve: `"x" - ("x" - 1)/2 = 1 - ("x" - 2)/3`
Solve: `("6x" + 1)/2 + 1 = ("7x" - 3)/3`
A man sold an article for ₹ 396 and gained 10% on it. Find the cost price of the article
Linear inequation has almost one solution
When x is an integer, the solution set for x ≤ 0 are −1, −2, ...
