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pentagon [3]
3 years ago
5

Ifx+y-1=1-(1-x), what is the value of y?.

Mathematics
1 answer:
vovikov84 [41]3 years ago
5 0

If you distribute the negative sign on the right hand side, you have

x+y-1=1-(1-x) \iff x+y-1=1-1+x \iff x+y-1=x

You can simplify x from both sides:

y-1=0

And if you add 1 to both sides, you have

y=1

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