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Math

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the second of two numbers is seven less than three times the first twice the first number plus the second equals 18.find the number?

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z 3z minus 7

2z+3z minus 7 = 18
5z minus 7 = 18
5z = 25
z = 5

First Number is 5
Second is 3(5) minus 7 = 15 minus 7 = 8

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