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Which calculation proves this calculation is incorrect?- 19 = 55

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Recognizing that addition is the inverse, or opposite, of subtraction is useful when it comes to checking answers. For example, realizing that 13 - 8 = 5 could be checked by adding 8 + 5 to give 13 means that subtraction calculation answers can be accurately checked.


Which calculation proves this calculation is incorrect?<br>- 19 = 55





 
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