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3 years ago

11

The sum of a number m and 39 is 10

1 answer:

sveta [45]3 years ago

4 0

Answer:

m = -29

Step-by-step explanation:

converting the words into mathematical expressions:

"sum of number m and 39" ---> m + 39

"sum of number m and 39 is 10" -----> m + 39 = 10

solving for m

m + 39 = 10 (subtract 39 from both sides)

m = 10 - 39

m = -29

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