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Mathematics, 01.04.2021 15:00 strawberrymrmr3068

A rancher has a herd of black cows and red cows. In total he has 65 cows. The number of black cows is 7 less than triple the number of red cows.
Let b represent the number of black cows and r represent the number of red cows.

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A rancher has a herd of black cows and red cows. In total he has 65 cows. The number of black cows...
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