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Cadets are marching in a parade. There a...

Cadets are marching in a parade. There are 5 cadets in each row. What is the rule for number of cadets, for a given number of rows? Use ‘n’ for the number of rows.

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NCERT TELUGU-INTRODUCTION TO ALGEBRA-EXERCISE - 9.3
  1. Cadets are marching in a parade. There are 5 cadets in each row. What ...

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  2. State which of the following are equations. x-3=7

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  3. State which of the following make this equation true. l+5gt9

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  4. State which of the following are equations. p-4 lt 10

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  5. State which of the following are equations. 5 + m =-6

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  6. State which of the following are equations. 2s-2 =12

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  7. State which of the following are equations. 3x+5 gt13

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  8. State which of the following are equations. 3x lt 15

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  9. State which of the following are equations. 2x-5 =3

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  10. State which of the following are equations. 7y+1 lt 22

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  11. State which of the following are equations. -3z+6=12

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  12. State which of the following are equations. 2x+3y =3

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  13. State which of the following are equations. z=4

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  14. Write LHS and RHS of the following equations. x-5=6

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  15. Write LHS and RHS of the following equations. 4y=12

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  16. Write LHS and RHS of the following equations. 2z+3=7

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  17. Write LHS and RHS of the following equations. 3p=24

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  18. Write LHS and RHS of the following equations. 4=x-2

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  19. Write LHS and RHS of the following equations. 2a-3=-5

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  20. Solve the following equation by Trial & Error Method. x+3=5

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  21. Solve the following equation by Trial & Error Method. y-2=7

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