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Fill the box. 9x - square= –21 has the ...

Fill the box.
9x - `square`= –21 has the solution (–2)

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NCERT EXEMPLAR-LINEAR EQUATIONS IN ONE VARIABLE-EXERCISE
  1. The solution of the equation 2y = 5y -18/5 is

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  2. Find the solution of the equation 3x – 2 = 4x +8.

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  3. Fill the box. 9x - square= –21 has the solution (–2)

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  4. Three consecutive numbers whose sum is 12 are , and .

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  5. The share of A when Rs 25 are divided between A and B so that A gets R...

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  6. A term of an equation can be transposed to the other side by changing ...

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  7. On subtracting 8 from x, the result is 2. The value of x is .

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  8. x/5+30=18 has the solution as .

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  9. When a number is divided by 8, the result is –3. The number is .

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  10. 9 is subtracted from the product of p and 4, the result is 11. The val...

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  11. If 2/5x-2=5-3/5x, then x =

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  12. After 18 years, Swarnim will be 4 times as old as he is now. His prese...

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  13. Convert the statement Adding 15 to 4 times x is 39 into an equation .

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  14. The denominator of a rational number is greater than the numerator by ...

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  15. The sum of two consecutive multiples of 10 is 210. The smaller multipl...

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  16. 3 years ago, the age of a boy was y years. His age 2 years ago was (y ...

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  17. Shikha’s present age is p years. Reemu’s present age is 4 times the pr...

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  18. In a 2 digit number, the units place digit is x. If the sum of digits ...

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  19. Sum of the ages of Anju and her mother is 65 years. If Anju’s present ...

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  20. The number of boys and girls in a class are in the ratio 5:4. If the n...

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