Question

Q2. Solve :
(a) 2(x + 4) = 12 (c) 3(n – 5) = – 21
(e) 4(2 – x) = 8

Answer 1

Explanation:

See pictures there answer is solved in sheets see it

Answer 2

Answer:

(a) 2x+8=12

2x=12-8

2x=4

x=4÷2

x=2

(b) 8-4x=12

-4x=12-8

4x= -4

x= -4÷4

x= -1

(c) 3n-15= -21

3n= -21+15

3n= -6

n= -6÷3

n= -2