Advertisements
Advertisements
प्रश्न
Complete the last column of the table.
| Equation | Value | Say, whether the Equation is Satisfied. (Yes/No) |
| x + 3 = 0 | x = -3 |
Advertisements
उत्तर
| 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
संबंधित प्रश्न
Complete the last column of the table.
| Equation | Value | Say, whether the Equation is Satisfied. (Yes/No) |
| x - 7 = 1 | x = 7 |
Write the given equation in statement form:
m − 7 = 3
Subtract the sum of 5x − 4y + 6z and −8x + y − 2z from the sum of 12x − y + 3z and −3x + 5y − 8z.
Simplify:
xy − [yz − zx − {yx − (3y − xz) − (xy − zy)}]
Simplify:
−a − [a + {a + b − 2a − (a − 2b)} − b]
Solve the following equation by the trial-and-error method: `1/2x+7=11`
Solve the following equation and verify the answer:
x + 3 = −2
A bus travels at v km per hour. It is going from Daspur to Beespur. After the bus has travelled 5 hours, Beespur is still 20 km away. What is the distance from Daspur to Beespur? Express it using v.
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.)
Jaggu is z years old. His uncle is 4z years old and his aunt is (4z − 3) years old.
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.
`"q"/2 = 7` (7, 2, 10, 14)
