Water wessel

The vessel containing water has a weight 19 kg. After pouring half the water its weigth 11 kg. What is the weight of the empty vessel?

Correct result:

x =  3 kg

Solution:


x+y=19
x+y/2=11

x+y = 19
2x+y = 22

x = 3
y = 16

Our linear equations calculator calculates it.



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