Daniel, Jolana and Stano collected together 34 blackberries. Daniel collected 8 blackberries more than Jolana, Jolana 4 more than Stano. Determine the number blackberries each collected .

Correct result:

D =  18
J =  10
S =  6


D = 8 + J
J = 4 + S

D+J+S = 34
D-J = 8
J-S = 4

D = 18
J = 10
S = 6

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