Question

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.

Answer 1

Each option: 1 Mark

(a) Let the number be x

Twice of number =2x

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


(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 $=\frac{2x}{3}$

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


(d) Let the number be x

Twice a number =2x

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