Answer :

karsonzoch

Answer:

28

Step-by-step explanation:

51-23

smiley999

The answer is 28.

Explanation / Working

23 + m = 51

m = 51 - 23

m = 28

When the positive 23 goes over the equal sign it changed to negative, causing it to be subtracted from 51, thus providing the answer.

HOPE IT HELPS.

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