Advertisements
Advertisements
Question
Complete the last column of the table.
| Equation | Value | Say, whether the Equation is Satisfied. (Yes/No) |
| x + 3 = 0 | x = -3 |
Advertisements
Solution
| Equation | Value | Say, whether the Equation is Satisfied. (Yes/ No) |
| x + 3 = 0 | x = -3 | Yes |
Explanation:
x + 3 = 0
L.H.S. = x + 3
By putting x = −3,
L.H.S. = − 3 + 3 = 0 = R.H.S.
Hence, the equation is satisfied.
APPEARS IN
RELATED QUESTIONS
Write the following statement as an equation:
25 exceeds a number by 7.
Write the following statement as an equation:
5 subtracted from thrice a number is 16.
If `x/5=1`, then
The shifting of a number from one side of an equation to other is called transposition
In an equation a + b = 23. The value of a is 14 then the value of b is _______
When a number is divided by 8, the result is –3. The number is ______.
Two consecutive even integers.
A rectangular box has height h cm. Its length is 5 times the height and breadth is 10 cm less than the length. Express the length and the breadth of the box in terms of the height.
Change the following statements using expressions into statements in ordinary language.
(For example, Given Salim scores r runs in a cricket match, Nalin scores (r + 15) runs. In ordinary language − Nalin scores 15 runs more than Salim.)
In an arrangement of dots, there are r rows. Each row contains 5 dots.
Pick out the solution from the values given in the bracket next to each equation. Show that the other values do not satisfy the equation.
n + 12 = 20 (12, 8, 20, 0)
