Kahwai's answer to Milk's Secondary 3 A Maths Singapore question.

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Kahwai
Kahwai's answer
232 answers (A Helpful Person)
1st
Sub
0, one equation

Sub
1. One equation

Sub
b, one equation


You have three equations and three unknowns
a,b,c

Then solve these simulationeous equations, get b,c and a

b,