Mathematics, 20.09.2019 16:30, nellys2096

The difference of two numbers, a and b, is 21. the difference of 5 times a and two times b is 18. what are the values of a and b? a: 4, 1 b: -19, 40 c: 20, 1 d: 30, 9 e: -8, -29

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The difference of two numbers, a and b, is 21. the difference of 5 times a and two times b is 18. wh...