Isosceles 6422

Not one bowl of isosceles scales is two bricks and weighs 0.5 kg. The second bowl is half a brick and weighs 5 kg. How much does the whole brick weighs when the scales are in balance?

Correct answer:

x =  3 kg

Step-by-step explanation:

2·x + 0.5 = 0.5x + 5

2·x + 0.5 = 0.5·x + 5

1.5x = 4.5

x = 4.5/1.5 = 3

x = 3

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