branlycom branlycom

31-03-2016
Mathematics

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Rianna thinks that if a=b and of c=d , then a+c=b+d . Is she correct?

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kaleahsyphan123 kaleahsyphan123

31-03-2016

Substitute the A and C for B and D, so Yes she is correct.

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lakissgirl lakissgirl

31-03-2016

hello
rihanna had right, she is correct if a=b and of c=d, then a+c=b+d

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