Advertisements
Advertisements
प्रश्न
Solve the following equation and check your result:
3x = 2x + 18
उत्तर
3x = 2x + 18
On transposing 2x to L.H.S, we obtain
3x − 2x = 18
x = 18
Checking:
L.H.S = 3x = 3 × 18 = 54
R.H.S = 2x + 18
= 2 × 18 + 18
= 36 + 18
= 54
L.H.S. = R.H.S.
Hence, the result obtained above is correct.
APPEARS IN
संबंधित प्रश्न
If you subtract `1/2` from a number and multiply the result by `1/2`, you get `1/8`. What is the number?
The perimeter of a rectangular swimming pool is 154 m. Its length is 2 m more than twice its breadth. What are the length and the breadth of the pool?
Solve the following equation and check your result:
8x + 4 = 3(x − 1) + 7
In the equation 3x – 3 = 9, transposing –3 to RHS, we get 3x = 9.
Solve the following:
`(y - (4 - 3y))/(2y - (3 + 4y)) = 1/5`
Solve the following:
`x/5 = (x - 1)/6`
Solve the following:
4t – 3 – (3t + 1) = 5t – 4
Solve the following:
`3x - (x - 2)/3 = 4 - (x - 1)/4`
Solve the following:
`(2y - 3)/4 - (3y - 5)/2 = y + 3/4`
Solve the following:
3(5x – 7) + 2(9x – 11) = 4(8x – 7) – 111
