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Secondary 1 | Maths
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Please help me with this question. Thank you.
Date Posted: 4 years ago
Views: 213
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Date Posted:
4 years ago
I dont understand where is the -33y?
-17y-16y = -33y
Bring everything to LHS of equation.
Bring everything to LHS of equation.
Thank you very much.
suboptimal method. also, why accept y=1? Sub y=1 in the given equation and immediately the first term yields 5/0 which is undefined.
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Hope this help :)
Date Posted:
4 years ago
Thank you. The negative negative parts is a bit tricky. Thank you.
By making the equations negative, u are like flipping the algebra, for example at first is (x-y) and when it is negative, it is
-(y-x). You would not want the negative sign to be in the denominator so you can put the negative at the numerator and the value is still the same. Hope this help:)
-(y-x). You would not want the negative sign to be in the denominator so you can put the negative at the numerator and the value is still the same. Hope this help:)
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