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secondary 3 | A Maths
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secondary 3 chevron_right A Maths

Answer is b=-3
Why cannot sub c=5

Date Posted: 6 years ago
Views: 445

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Wen Guotai Daniel
Wen Guotai Daniel's answer
66 answers (Tutor Details)
1st
It's good to write down steps. Good ones tend to skip the steps. :)
Z
Z
6 years ago
ok thank you!
But the answer I got is B=1 instead of -3
Wen Guotai Daniel
Wen Guotai Daniel
6 years ago
LHS: 14+9+9-5=27
RHS: -9B
So B=-3.
Z
Z
6 years ago
ohhh okay thanks so much