poohbears21girl poohbears21girl

10-05-2019
Mathematics

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determine the missing number in the equation 13-2=12-?

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itmye84 itmye84

10-05-2019

For the equation to work, you have to have the same number on both sides of the equal sign

so to find ?, you can do:

13 - 2 = 12 - ? Simplify

11 = 12 - ? Subtract 12 on both sides

-1 = - ? Multiply -1 on both sides

1 = ?

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