3 years ago

The sum of 42 and a number x is 51

Mathematics

1 answer:

n200080 [17]3 years ago

8 0

Answer:

x = 9

Step-by-step explanation:

"The sum of 42 and a number x is 51" in "mathy" words:

42 + x = 51

Then, subtract both sides by 42:

42 + x - 42 = 51 - 42

x = 9

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