anc528744 anc528744

10-11-2021
Mathematics

contestada

Use a number line to add or subtract.
3−(-1)=

Respuesta :

arianaminnifield07 arianaminnifield07

10-11-2021

Answer:

4

Step-by-step explanation:

rule 1 positive + positive= positive

rule 2 negative plus negative = negative

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