Peter and Martin

Peter and Martin played by 67 balls. After the game, Peter had nine more balls than Martin. How many balls did Martin win? Solve the help of the equation.

Correct answer:

M =  29

Step-by-step explanation:

P+M=67 P=9+M  M+P=67 MP=9  Row2Row1Row2 M+P=67 2P=76  P=276=38 M=67P=6738=29  M=29 P=38

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