Edexcel Gcse Mathematics (Linear) - Algebra: Collecting Like Terms Page 7

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15.
(a)
Simplify
(i)
e + f + e + f + e + f + e
..........................
(1)
p 2 + p 2 + p 2
(ii)
..........................
(1)
(Total 2 marks)
16. (a)
Simplify 2x + 2x
.....................................
(1)
Simplify 5y – 2y
(b)
.....................................
(1)
(c)
Simplify 2 × 4p
.....................................
(1)
(Total 3 marks)
17. (a)
Simplify
c + c + c
..............................................
(1)
(b)
Simplify
2e × 3f
..............................................
(1)
9p + 2t – 2p + 3t
(c)
Simplify
..............................................
(2)
(Total 4 marks)

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