Question

3. Solve : (7 Marks)

a. X+11 = 30

b. 6a = 24

c. m-5 = 2

d. /9 = 4

e. 10n = 70

f. 23-y = 0

g. 21/x = 7​

Answer 1

Answer:

a) x+11=30

=> x= 30-11

=> x = 19

b) 6a=24

=> a= 24/6

=> a = 4

c)m-5=2

=> m= 2+5

=> m = 7

e) 10n= 70

=> n = 70/10

=> n = 7

f) 23-y = 0

=>y= 23

g)

$\frac{21}{x } = 7$

$= > x = \frac{21}{7}$

$= > x = 3$

Answer 2

a ) x + 11 = 30

solution

x = 30 - 11

x = 19

b) 6a = 24

solution

a = 24 / 6

a = 4

c ) m - 5 = 2

solution

m - 5 = 2

m = 7

d ) 9 = 4

false

e ) 10n = 70

solution

n = 70 / 10

n = 7

f ) 23 - y = 0

solution

- y = - 23

y = 23

21 / x = 7

g ) 21 = 7x

solution

7x = 21

x = 21 / 7

x = 3