Question

1. Write an equation for each of the following. (You need not solve them)
i) 12 less than a number (x) equals 20.
(ii) 14 more than a number (n) equals 18.
(iii) 5 times a number (a) equals 20.
(iv) The quotient of (6) and 7 equals 4.
(v) Three times a number (m) subtracted from 12 equals 6.
(vi) A pencil is 8 cm long. A longer pencil is c cm long. The difference in their lengths is 7 cm
(vii) A girl is x years old. Her father is 5 more than 2 times her age. The sum of their a
3
1
50 years.
(w) I think of a number, multiply it by 5 and then subtract 9. The result is 11.
222​

Answer 1

Step-by-step explanation:

less than a number (x) equals 20.

(ii) 14 more than a number (n) equals 18.

(iii) 5 times a number (a) equals 20.

(iv) The quotient of (6) and 7 equals 4.

(v) Three times a number (m) subtracted from 12 equals 6.

(vi) A pencil is 8 cm long. A longer pencil is c cm long. The difference in their lengths is 7 cm

(vii) A girl is x years old. Her father is 5 more than 2 times her age. The sum of their a

3

1

50 years.

(w) I think of a number, multiply it by 5 and then subtract 9. The result is 11.

222