Advertisements
Advertisements
Question
Solve: `(3y + 4)/(2 - 6y) = (-2)/5`
Solution
`(3y + 4)/(2 - 6y) = (-2)/5`
On multiplying both sides by 5(2 − 6y), we obtain
5(3y + 4) = −2(2 − 6y)
⇒ 15y + 20 = − 4 + 12y
⇒ 15y − 12y = − 4 − 20
⇒ 3y = −24
⇒ y = −8
APPEARS IN
RELATED QUESTIONS
Solve: `(9x)/(7 - 6x) = 15`
Solve: `z/(z + 15) = 4/9`
Find a number whose double is 45 greater than its half.
A number whose fifth part increased by 5 is equal to its fourth part diminished by 5. Find the number.
Seeta Devi has Rs 9 in fifty-paise and twenty five-paise coins. She has twice as many twenty-five paise coins as she has fifty-paise coins. How many coins of each kind does she have?
A steamer goes downstream from one point to another in 9 hours. It covers the same distance upstream in 10 hours. If the speed of the stream be 1 km/hr, find the speed of the steamer in still water and the distance between the ports.
Bhagwanti inherited Rs 12000.00. She invested part of it as 10% and the rest at 12%. Her annual income from these investments is Rs 1280.00. How much did she invest at each rate?
If `x/11 = 15`, then `x = 11/15`
Solve the following:
`(5x)/(2x - 1) = 2`
A steamer goes downstream and covers the distance between two ports in 3 hours. It covers the same distance in 5 hours when it goes upstream. If the stream flows at 3 km/hr, then find what is the speed of the steamer upstream?
