Mathematics, 01.12.2020 23:10 dianekobasher

What number should go into the blank so that the two expressions are equivalent to each other? (Use only the digits 0 - 9 to write the number.) b + b – 1 + b + b + 10 = __b + 9

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What number should go into the blank so that the two expressions are equivalent to each other? (Use...