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Mathematics, 29.01.2021 02:00 RanTam

If 13 is added to a number and the sum is multiplied by 3, the result is 7 times the number decreased by 9. Find the number. (Hint: part of the left hand side of the equation is in parentheses.) *

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If 13 is added to a number and the sum is multiplied by 3, the result is 7 times the number decrease...

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