Advertisements
Advertisements
प्रश्न
2x − [3y − {2x − (y − x)}] = ?
पर्याय
5x − 4y
4y − 5x
5y − 4x
4x − 5y
उत्तर
5x − 4y
2x − [3y − {2x − (y − x)}]
= 2x − [3y − {2x − y + x}]
= 2x − [3y − {3x − y}]
= 2x − [3y − 3x + y]
= 2x − [4y − 3x]
= 2x − 4y + 3x
= 5x − 4y
APPEARS IN
संबंधित प्रश्न
Add 2xy, 5xy, −xy
Add 3x, 2y
By how much is 2x − 3y + 4z greater than 2x + 5y − 6z + 2?
Write the following statement as an equation:
25 exceeds a number by 7.
Write a statement for the equation, given below:
11 + 3x = 17
Solve the following equation by the trial-and-error method: 2x − 3 = 9
Solve the following equation and verify the answer:
`(3x)/5`=15
The distance (in km) travelled in h hours at a constant speed of 40 km per hour is ______.
The variable used in the equation 2p + 8 = 18 is ______.
Given Munnu’s age to be x years, can you guess what (x − 2) may show?
(Hint: Think of Mannu’s younger brother.)
Can you guess what (x + 4) may show? What (3x + 7) may show?
