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Mathematics, 29.08.2021 02:50 tfracciscoramon

Example: The sum of 2x and 9 = (2x + 9) 1) The sum of three times a number, x, and 12

2) The sum of 5z and a number, n.

3) The sum of 5z and a number n, decreased by 35.

4) The sum of a number x, and 4, and 7

5) The sum of a number z, and 9 and 18

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