Advertisements
Advertisements
प्रश्न
Solve: `(3"x" - 2)/7 - ("x" - 2)/4 = 2`
उत्तर
`(3"x" - 2)/7 - ("x" - 2)/4 = 2`
⇒ `(12"x" - 8 - 7"x" + 14)/28 = 2`
⇒ `(5"x" + 6)/28 = 2`
⇒ 5x + 6 = 28 × 2
⇒ 5x + 6 = 56
⇒ 5x = 56 - 6 = 50
⇒ x = `50/5 =10`
∴ x = 10
APPEARS IN
संबंधित प्रश्न
Solve the following equation:
x – 5 = 8
Solve the following equation:
2x = 0
Solve the following equation:
2x + 5 = 5
Solve the following equation:
4 = x - 2.5
Solve the following equation:
`"y" + 5 = 8 1/4`
0.4x – 1.2 = 0.3x + 0.6
Solve: `("x" - 1)/5 - "x"/3 = 1 - ("x" - 2)/2`
The sum of two numbers is 18. If one is twice the other, find the numbers.
Find three consecutive natural numbers such that the sum of the first and the second is 15 more than the third.
Solve the following equations for the unknown: 3(3x - 4) -2(4x - 5) = 6
Solve the following equations for the unknown: `(3)/(x + 1) - (x - 6)/(x^2 - 1) = (12)/(x - 1)`
Solve the following equations for the unknown: `(1)/(2)(y - 1/3) + (1)/(4)(2y + 1/5) = (3)/(4)(y - 1/12)`
The sum of three consecutive natural numbers is 216. Find the numbers
Two complementary angles differ by 14°. Find the angles.
Two angles are supplementary and their measures are (7x+6)° and (2x-15)°. Find the measures of the angles.
What number increased by 15% of itself gives 2921?
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?
A man buys two articles at Rs 410. He sells both at the same price. On one he makes a profit of 15% and on the other a loss of 10%. Find the cost price of both.
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?
