# Tractors

Six tractors plowing the field for 8 days. After two days, two tractors broke down. How many days were prolonged work in the field?

Result

x =  3 d

#### Solution:

6*8 = 2*6+(x+(8-2))*(6-2)

4x = 12

x = 3

Calculated by our simple equation calculator.

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#### To solve this example are needed these knowledge from mathematics:

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