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

asked Sep 5, 2021 168k views

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4 votes

x=2y+1

what is
10y-5x ?

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

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

now solve for
:

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

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

Dhanapal answered Sep 10, 2021

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