Advertisements
Advertisements
प्रश्न
Solve the following equation by the trial-and-error method: 2y + 4 = 3y
उत्तर
2y + 4 = 3y
We try several values of y until we get the L.H.S. equal to the R.H.S.
| y | L.H.S. | R.H.S. | Is L.H.S. = R.H.S.? |
| 1 | 2 ×× 1 + 4 = 6 | 3 ×× 1 = 3 | No |
| 2 | 2 ×× 2 + 4 = 8 | 3 ×× 2 = 6 | No |
| 3 | 2 ×× 3 + 4 = 10 | 3 ×× 3 = 9 | No |
| 4 | 2 ×× 4 + 4 = 12 | 3 ×× 4 = 12 | Yes |
∴ y = 4
APPEARS IN
संबंधित प्रश्न
Complete the last column of the table.
| Equation | Value | Say, whether the Equation is Satisfied. (Yes/No) |
| 5x = 25 | x = 0 |
Write equation for the following statement:
2 subtracted from y is 8.
Write equation for the following statement:
The number b divided by 5 gives 6.
Simplify:
−x + [5y − {x − (5y − 2x)}]
Solve the following equation and verify the answer:
3(2 − 5x) − 2(1 − 6x) = 1
A man earns Rs 25 per hour. How much does he earn in x hours?
A shopkeeper sells mangoes in two types of boxes, one small and one large. A large box contains as many as 8 small boxes plus 4 loose mangoes. Set up an equation which gives the number of mangoes in each small box. The number of mangoes in a large box is given to be 100.
The shifting of a number from one side of an equation to other is called ______.
The distance (in km) travelled in h hours at a constant speed of 40 km per hour is ______.
Two consecutive even integers.
