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X + y = 20 8x + 10y = 160.
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X + y = 20
8x + 10y = 160.

User Sendoa
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1 Answer

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1-x=20-y or if is for y should be y=20-x

2-y=16-4x/5 if is for x is x=20- 5y/4.

I hope this helps you
User SonamGupta
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