Advertisements
Advertisements
प्रश्न
Solve: `2/"5x" - 5/"3x" = 1/15`
Advertisements
उत्तर
`2/"5x" - 5/"3x" = 1/15`
`=> (2 xx 3)/("5x" xx 3) - (5 xx 5)/("3x" xx 5) = 1/15`
`=> (6 - 25)/"15x" = 1/15`
`=> (-19)/"15x" = 1/15`
`=> (-19)/"x" = 15/15`
`=> -19 = "x"`
∴ x = -19
APPEARS IN
संबंधित प्रश्न
Solve the following equation:
20 = 6 + 2x
Five less than 3 times a number is -20. Find the number.
A number decreased by 30 is the same as 14 decreased by 3 times the number; Find the number.
Separate 178 into two parts so that the first part is 8 less than twice the second part.
The difference of two numbers is 3 and the difference of their squares is 69. Find the numbers.
Solve:
`(x + 2)/6 - ((11 - x)/3 - 1/4) = (3x - 4)/12`
The sum of two numbers is 405 and their ratio is 8 : 7. Find the numbers.
Solve the following inequation
2a + 3 ≤ 13, where a is a whole number
The cost of one pen is ₹ 8 and it is available in a sealed pack of 10 pens. If Swetha has only ₹ 500, how many packs of pens can she buy at the maximum?
Solve the following inequalities
4n + 7 ≥ 3n + 10, n is an integer
