Simplify $$\(10 a \times b\)$$ (1) (b) Solve $$\(n+3=7\)$$ $$\[ n= \]$$ (1)

Mathematics
IGCSE&ALevel
EDEXCEL
Exam No:4MA1_2F_que_20200305 Year:2020 Question No:5

Answer:



Knowledge points:

2: Equations, formulae and identities

Solution:

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