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25-09-2020
Mathematics

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Write an equation for the description The difference between a number x and 18 is 21.

Write an equation for the description The difference between a number x and 18 is 21 class=

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25-09-2020

Answer:

x - 18 = 21

Step-by-step explanation:

In math, the description, "the difference between p and q" is written as ...

p - q

Then the difference between x and 18 is ...

x - 18

When we say that "is 21", we mean it is equal to 21:

x - 18 = 21

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