Advertisements
Advertisements
प्रश्न
Solve the following equation for the unknown: `(4)/(5) x - 21 = (3)/(4)x - 20`
उत्तर
`(4)/(5) x - 21 = (3)/(4)x - 20`
⇒ `(4)/(5)x - (3)/(4)x` = 21 - 20
⇒ `(16x)/(20) - (15x)/(20)` = 21 - 20
⇒ `(16x - 15x)/(20)` = 1
⇒ 16x - 15x = 20
⇒ x = 20.
APPEARS IN
संबंधित प्रश्न
Solve the following equation:
(x - 5)(x + 3) = (x - 7)(x + 4)
4x – 5x + 2x = 28 + 3x
Solve: `y + y/2 = 7/4 - y/4`
Solve: `("x" + 4)/2 + "x"/3 = 7`
Solve: `("y" + 2)/3 + ("y" + 5)/4 = 6`
The sum of three consecutive odd numbers is 63. Find the numbers.
Solve the following equations for the unknown: `2x + sqrt(2) = 3x - 4 - 3sqrt(2)`
Solve the following equation for the unknown: `(9y)/(4) - (5y)/(3) = (1)/(5)`
Solve the following equations for the unknown: `2(1)/(5) - (x - 2)/(3) = (x - 1)/(3)`
A man invested Rs 35000, a part of it at 12% and the rest at 14%. If he received a total annual interest of Rs 4460, how much did he invest at each rate?
