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jekas [21]
3 years ago
7

If x=2y+1 what is th e value of 10y-5x

Mathematics
1 answer:
gregori [183]3 years ago
4 0

x=2y+1

what is 10y-5x?

all you gotta do is substitute the value of x in the equation:

x=2y+1\\10y-5(2y+1)

now solve for y:

10y-5(2y+1)\\10y-10y-5=-5

so the value of 10y-5x = \boxed{-5}

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