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Today Puzzle #646

Using only the numbers and signs given, create a sum where both sides are equal. What is it?

5, 7, 8, 9, 10, 11, +, +, x, x, =

Today’s #PuzzleForToday has been set by Mensa, the high IQ society

8 x 11 + 7 = 9 x 10 + 5

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