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  • Translate each of the following statements into an equation, using x as the variable: (a) 13 subtracted from twice a number gives 3. (b) One fifth of a number is 5 less than that number. (c) Two-third of number is 12.

Translate each of the following statements into an equation, using x as the variable:

(a) 13 subtracted from twice a number gives 3.
(b) One fifth of a number is 5 less than that number.
(c) Two-third of number is 12.
(d) 9 added to twice a number gives 13.
(e) 1 subtracted from one-third of a number gives 1.

Answers (1)

(a) Let the number be x. Twice the number is 2x. 13 subtracted from twice the number is 2x-13. 

13 subtracted from twice the number gives 3 implies 2x-13=3

(b)  Let the number be x. One-fifth of the number =x/5

5 less than that number=x-5.

One-fifth of a number is 5 less than that number in equation form is x/5=x-5

(c)\ \frac{2x}{3}=12

(d) 2x+9=13

(e)\ \frac{x}{3}-1=1

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Safeer PP

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