Advertisements
Advertisements
प्रश्न
Solve: `"3x"/4 + "4x" = 38`
उत्तर
`"3x"/4 + "4x" = 38`
⇒ `"3x"/4 + "4x"/1 = 38`
⇒ `("3x + 16x")/4 = 38`
⇒ 3x + 16x = 38 × 4
∴ 3x + 16x = 152
⇒ 19x = 152
⇒ x = `152/19 = 8`
∴ x = 8
APPEARS IN
संबंधित प्रश्न
Solve the following equation:
3(b - 4) = 2(4 - b)
Solve the following equation:
`"3x"/4 - 1/4("x" - 20) = "x"/4 + 32`
Solve the following equation:
2x + 5 = 5
Solve the following equation:
`"c" - 1/2 = 1/3`
21 – 3 (b - 7) = b+ 20
Solve: `"x"/2 + "x" = 9`
The sum of twice a number and 4 is 80, find the number.
Find a number whose one-third part exceeds its one-fifth part by 20.
Solve the following equations for the unknown: 3(3x - 4) -2(4x - 5) = 6
Solve the following equation for the unknown: `(1.5y)/(3) = (7)/(2)`
Solve the following equation for the unknown: `x/(2) + x/(4) + x/(8)` = 7
Solve the following equations for the unknown: `(5)/(3x - 2) - (1)/(8) = 0, x ≠ 0, x ≠ (2)/(3)`
The sum of three consecutive odd natural numbers is 99. Find the numbers.
If a boy walks to his school at a speed of 4km/h, he reaches the school 10 minutes before time. If he walks at 3km/h, he reaches the school 10 minutes late. Find the distance between his house and school.
The perimeter of a rectangular field is 100 m. If its length is decreased by 2 m and breadth increased by 3 m, the area of the field is increased by 44 m2. Find the dimensions of the field.
In a shooting competition a marksman receives Rs. 50 if he hits the mark and pays Rs. 20 if he misses it. He tried Rs. 100 shots and was paid Rs. 100. How many times did he hit the mark?
A and B together can complete a piece of work in 6 days. A can do it alone in 10 days. Find the number of days in which B alone can do the work.
Tap A can empty a tank in 6 hours. Tap A along with Tap B together can empty the tank in `3(3)/(7)" hours"`. Find the time Tap B alone will take to empty the tank.
What number increased by 15% of itself gives 2921?