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Mathematics, 21.06.2019 17:30
What is not true about kl and mn? what is mn? (show your work)
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Find the solution of this system of equation -7x+y=-20 9x-3y=36
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Mathematics, 21.06.2019 21:30
In a two-digit number the units' digit is 7 more than the tens' digit. the number with digits reversed is three times as large as the sum of the original number and the two digits. find the number.
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What is the addition property of equality ?...
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