Question

Solve the following :- [5]

(i) 7(x-2) = 2 (2x-4)

(ii) 21 – 3 (x-7) = x + 20
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Answer 1

Answer:

i) x=2

ii) x=22/4

Step-by-step explanation:

i) 7x-14=4x-8

7x-4x=-8+14

3x=6

x=6/3

x=2

ii) 21-3x+21=x+20

42-3x=x+20

x+3x=42-20

4x=22

x=22/4