Question

Indira is using a number line to add –1 + (–3). She begins by showing –1 on the number line, as shown below.

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What is the sum of –1 + (–3)?

Answer 1

Answer:

in number line -1 and -3 is negative numbers

then (-) ve + (-) ve number = positive number

then add 1+3=4 and there is (-) +(-)

so it is positive number

therefore, (-1) +(-3) =+4

Answer 2

Answer:

(-1) +(-3) =+4

Step-by-step explanation:

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