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Rachel used a number line to add. She started counting at 10 and counted until she was on -4 on the number line. What is the addition expression she completed?

Respuesta :

Answer: -14

Step-by-step explanation:

Let the addition expression that she completed be represented by x.

Since she started counting at 10 and counted until she was on -4 on the number line, this can be represented in an equation as:

10 + x = -4

Collect like terms

x = -4 - 10

x = -14

The addition expression is -14

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