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5. The difference of the square of a number and 7 is five.

6. The square of a number decreased by the cube of a number is 18.

7. The cube root of a number is 3 less than the square of a number.

8. twice the sum of a number and 5

9. the product of the sum and difference of a number and four

10. The square of the difference of a number and 3 is 25.

11. 10 times a number decreased by seven

12. four times the square of a number

13. eight less than two-thirds of a number

14. the sum of the squares of a number and 5

15. Lyn’s age 5 years ago if she is x years old now
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Sagot :

Marijunetunacaoidn

Answer:

5. (n²-7) = 5

6. (n²-n³) = 18

7. ³√n = 3-n²

8. 2n+5

9. (n-4) (n+4)

10. (n-3)² =35

11. 10(n-7)

12. 4n²

13.8 - 2/3n

14. (n+5)²

15. x-5