Question

6. Solve the following equations:
(a) 2(x + 4) = 12
(b) 3(n-5) = 21​

Answer 1

Answer:

a) 2(x+4) = 12

2x + 8 = 12

2x = 12 - 8

2x = 4

x = 4/2

x = 2

b) 3(n-5) = 21

3n - 15 = 21

3n = 21+ 15

3n = 36

n = 36/3

n = 12