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Finger [1]
3 years ago
12

In algebra (grade 7) :-

Mathematics
2 answers:
GalinKa [24]3 years ago
6 0

Step-by-step explanation:

+ and - make( -)

+ and + make(+)

- and + make(-)

- and - make (+)

Gnom [1K]3 years ago
3 0
1) -
2) +
3) -
4) +

Whenever the signs are opposite, it’s negative. Whenever signs are same, it’s positive.
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