Question

1. Expand and simplify each of the following expressions.
(a) 6(4x + y) + 2(x - y)
(b) X - [y – 3(2x - y)]
(c) 7x – 2[3(x – 2) – 2(x – 5)]
2. Michael is 5 years older than Rui Feng and Vishal is thrice as old as Michael.
If Rui Feng is p years old, find
(1) Michael's present age,
(ii) Vishal's present age,
(iii) the sum of their ages in 6 years' time,
(iv) the sum of their ages 3 years ago.​

Answer 1

Answer:

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