# Bottle

Bottle with wine costs 58 USD. Wine is 27 USD more expensive than the empty bottle.

How much is the bottle itself?

Correct result:

x =  15.5 USD

#### Solution:

$x+y = 58 \ \\ y = x+ 27 \ \\ \ \\ x+x+ 27 = 58 \ \\ 2x = 58- 27 \ \\ x = 31/2 = 15.5 \ \text{USD}$

x+y = 58
y = x+ 27

x+y = 58
x-y = -27

x = 31/2 = 15.5
y = 85/2 = 42.5

Our linear equations calculator calculates it.

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