Advertisements
Advertisements
प्रश्न
Complete the last column of the table.
| Equation | Value | Say, whether the Equation is Satisfied. (Yes/No) |
| x - 7 = 1 | x = 7 |
Advertisements
उत्तर
| Equation | Value | Say, whether the Equation is Satisfied. (Yes/No) |
| x - 7 = 1 | x = 7 | No |
Explanation:
x − 7 = 1
L.H.S. = x − 7
By putting x = 7,
L.H.S. = 7 − 7 = 0 ≠ R.H.S.
Hence, the equation is not satisfied.
APPEARS IN
संबंधित प्रश्न
Check whether the value given in the bracket is a solution to the given equation or not:
4p − 3 = 13 (p = 1)
Set up an equation in the following case:
In an isosceles triangle, the vertex angle is twice either base angle. (Let the base angle be b in degrees. Remember that the sum of angles of a triangle is 180 degrees.)
Add the following:
\[2 x^2 - 3xy + y^2 \]
\[ - 7 x^2 - 5xy - 2 y^2 \]
4 x2 + xy - 6 y2
_______________
Subtract the sum of 5x − 4y + 6z and −8x + y − 2z from the sum of 12x − y + 3z and −3x + 5y − 8z.
Simplify:
5a − [a2 − {2a(1 − a + 4a2) − 3a(a2 − 5a − 3)}] −8a
Write the following statement in the form of the equation:
One-fourth of m is 3 more than 7.
I think of a number and on adding 13 to it, I get 27. The equation for this is ______.
The length of a rectangular hall is 4 meters less than 3 times the breadth of the hall. What is the length, if the breadth is b meters?
State which of the following are equations (with a variable). Give reason for your answer. Identify the variable from the equations with a variable.
2m < 30
Solve the following riddles, you may yourself construct such riddles.
| Who am I? |
| Tell me who I am I shall give a pretty clue! You will get me back If you take me out of twenty two! |
