Advertisements
Advertisements
प्रश्न
Solve the following equation:
6(6x - 5) - 5(7x - 8) = 12(4 - x) + 1
उत्तर
6(6x - 5) - 5(7x - 8) = 12(4 - x) + 1
36x - 30 - 35x + 40 = 48 - 12x + 1
⇒ x + 10 = 49 - 12x
⇒ x + 12x = 49 - 10
⇒ 13x = 39
⇒ x = `39/13`
⇒ x = 3
APPEARS IN
संबंधित प्रश्न
Solve the following equation:
`"c" - 1/2 = 1/3`
Solve the following equation:
p + 0.02 = 0.08
0.4x – 1.2 = 0.3x + 0.6
Solve: `"2p"/3 - "p"/5 = 35`
Solve: x – 30% of x = 35
A number is 15 more than the other. The sum of of the two numbers is 195. Find the numbers.
Two planes start from a city and fly in opposite directions, one averaging a speed of 40 km/h more than that of the other. If they are 3400km apart after 5 hours, find their average speeds.
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.
A boy played 100 games, gaining Rs 50 on each game that he won, and losing Rs 20 for each game that he lost. If on the whole he gained Rs 800, find the number of games that he won.
In a factory male workers are paid one and a half times more than their female counterparts for each hour of work. In a particular week a husband and wife team worked for a total of 60 hours with the husband working twice as much as his wife. The total amount earned by both is Rs 960. If the husband's earning is 4 times that of his wife, find the number of hours each worked.