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प्रश्न
Write equation for the following statement:
Ten times a is 70.
योग
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उत्तर
10a = 70
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अध्याय 4: Simple Equations - EXERCISE 4.1 [पृष्ठ ६३]
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संबंधित प्रश्न
Complete the last column of the table.
| Equation | Value | Say, whether the Equation is Satisfied. (Yes/No) |
| x - 7 = 1 | x = 7 |
Complete the last column of the table.
| Equation | Value | Say, whether the Equation is Satisfied. (Yes/No) |
| 5x = 25 | x = -5 |
Simplify:
4x − (3y − x + 2z)
Simplify:
86 − [15x − 7(6x − 9) −2{10x − 5(2 − 3x)}]
Verify by substitution that the root of 3x − 5 = 7 is x = 4.
Solve the following equation by the trial-and-error method: 4x = 28
Solve the following equation and verify the answer:
x − 7 = 6
The length of a rectangular park is thrice its breadth. If the perimeter of the park is 168 metres, fund its dimensions.
Write 'T' for true and 'F' for false for the statement given below:
2x + 3 = 5 is a linear equation.
Write the following statement in the form of the equation:
If you subtract 5 from 6 times a number, you get 7.
