Translate each of the following statements into an equation, using x as the variable: [4 MARKS]

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.

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Solution

Each option: 1 Mark

(a) Let the number be x

Twice of number =2x

According to question, $2 x - 13 = 3$

(b) Let the number be x

One-fifth of number $= \frac{x}{5}$

According to question, $\frac{x}{5} = x - 5$

(c) Let the number be x

Two-third of number $= \frac{2 x}{3}$

According to question, $\frac{2 x}{3} = 12$

(d) Let the number be x

Twice a number =2x

According to question, $2 x + 9 = 13$

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Question 85

Translate each of the following statement 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.

(d) 9 added to twice a number gives 13.

(e) 1 subtracted from one-third of a number gives 1.

Express the given statement as an equation.

$13$ subtracted from twice of a number gives $3$ .

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